V tach treatment acls

Table 1. Applying Class of Recommendation and Level of Evidence to Clinical Strategies, Interventions, Treatments, or Diagnostic Testing in Patient Care*. (Updated August 2015) With Ventricular Arrhythmias and the Prevention of Sudden Cardiac Death. General Evaluation of Patients with Documented or Suspected VA.

V tach treatment acls. Ventricular tachycardia (v-tach) typically responds well to defibrillation. This rhythm usually appears on the monitor as a wide, regular, and very rapid rhythm. Ventricular tachycardia is a poorly perfusing rhythm; patients may present with or without a pulse.

The treatment for ventricular fibrillation is rapid defibrillation. Every minute that defibrillation is delayed, the chance of survival is reduced by 10%. The key steps to treating ventricular fibrillation are: Rapid assessment to confirm cardiac arrest. Starting CPR. Applying the defibrillator and delivering the first shock as soon as possible.

27 Feb 2024 ... A quick review of the cardiac arrest rhythms (ventricular fibrillation, pulseless ventricular tachycardia, pulseless electrical activity ...Continue Reading. Supraventricular tachycardia (SVT) is an abnormal rapid cardiac rhythm that involves atrial or atrioventricular node tissue from the His bundle or above. Paroxysmal SVT, a subset ...The ODP Corporation Registered Shs News: This is the News-site for the company The ODP Corporation Registered Shs on Markets Insider Indices Commodities Currencies Stocks The most common causes of tachycardia that should be treated outside of the ACLS tachycardia algorithm are dehydration, hypoxia, fever, and sepsis. There may be other contributing causes and a review of the H’s and T’s of ACLS should take place as needed. Click below to view the H and T’s table. When done click again to close the diagram. IF YES, shock again. Perform CPR for 2 minutes. Administer Amiodarone. (AT ANY TIME DURING THIS YOU CAN GIVE EPI) Study with Quizlet and memorize flashcards containing terms like What is the ACLS algorithm for pulseless VT and Vfib?, How many J's do you normally shock a patient with when you are biphasic defibrillating?, Pulseless VT can …Figures 1 to 6 provide representative ECGs, with Figure 1 showing ventricular tachycardia (VT) and Figures 2 to 5 showing some of the most common types of these SVTs.Extracardiac causes. ” for further detail. secondary to several factors (see “Etiology” for details). Symptoms may be unprovoked or exacerbated by physical and/or emotional triggers (e.g., exercise, anger). Ventricular tachycardia (VT) is a potentially life-threatening arrhythmia originating in the cardiac ventricles.

Ventricular tachycardia treatment may include medicines, procedures and devices to control or reset the heart rhythm, and heart surgery. If another medical condition is causing tachycardia, treating the underlying problem may reduce or prevent episodes of a fast heartbeat.Review guidelines for the pediatric cardiac arrest algorithm with our free resources. Start CPR. Start CPR with hard and fast compressions, around 100 to 120 per minute, allowing the chest to completely recoil. Give the patient oxygen and attach a monitor or defibrillator. Make sure to minimize interruptions in chest compressions and avoid ...With this ACLS algorithm, you'll need to determine if the patient is stable or unstable by evaluating and specifying if the rhythm is regular or irregular and if the QRS is wide or narrow. This ACLS flowchart can help you detect the type of tachyarrhythmia. View Algorithm. The Tachycardia With A Pulse ACLS Algorithm is based on the latest AHA ...Advanced Cardiovascular Life Support (ACLS) is a set of life-saving techniques and protocols used in emergency situations. This training is crucial for healthcare professionals who...I’m Mark from ACLS Certification Institute. In today’s video segment, we’re going to cover another Megacode algorithm. However, in this one our patient starts out in a narrow-complex tachycardia, so I want to take a few minutes and just review narrow-complex tachycardias. Remember, a tachycardia is any rhythm that has a ventricular rate ...

Explore the normal functions of human genes and the health implications of genetic changes.Continue Reading. Supraventricular tachycardia (SVT) is an abnormal rapid cardiac rhythm that involves atrial or atrioventricular node tissue from the His bundle or above. Paroxysmal SVT, a subset ... ACLS indicates advanced cardiovascular life support; and CPR, cardiopulmonary resuscitation. PDF Download Accessible Text Version (PDF) Figure 7. Just the idea of planning a vacation can be stressful. Aside from booking travel, all the preparations you need to make actually leave work behind can feel overwhelming. But if you...

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Monomorphic ventricular tachycardia is a type of arrhythmia (irregular heart rhythm). It happens when your heart’s electrical system malfunctions, making your heart’s ventricles beat too quickly. In some cases, this condition is dangerous because it can cause your heart to stop suddenly. It’s usually treatable with quick medical care.28 Mar 2023 ... PALS Tachycardia Algorithm. 6.4K views · 1 year ago ...more. ACLS Certification Institute. 64.8K. Subscribe. Like. Share. Save.In ACLS Megacode Scenario 1, use the appropriate ACLS algorithm to answer the multiple choice questions. This ACLS Scenario has 12 questions. ... Unstable Polymorphic ventricular tachycardia will receive unsynchronized cardioversion due to the fact that synchronization cannot occur with polymorphic ventricular tachycardia. Kind regards, …

Ventricular tachycardia is a heart rate higher than 120 beats per minute that starts in your heart’s two lower chambers (ventricles), rather than from the normal electrical pathway. A normal resting heart rate is 60 to 100 beats per minute. During an episode of ventricular tachycardia, your heart is beating so fast that: Your blood pressure ... Extracardiac causes. ” for further detail. secondary to several factors (see “Etiology” for details). Symptoms may be unprovoked or exacerbated by physical and/or emotional triggers (e.g., exercise, anger). Ventricular tachycardia (VT) is a potentially life-threatening arrhythmia originating in the cardiac ventricles. 2018 American Heart Association Focused Update on Advanced ...Lidocaine is an antiarrhythmic that can also be used and is considered equivalent to amiodarone in the treatment of ventricular fibrillation or pulseless ventricular tachycardia. Dosing. Provide an initial dose of 1-1.5 mg/kg IV or IO. If pVT or VF persists the lidocaine may be repeated at 0.5-0.75 mg/kg over 5 to 10 minute intervals.Vagal Maneuvers with Supraventricular Tachycardia. Supraventricular tachycardia (SVT) is a common heart abnormality that presents as a fast heart rate. SVT is a generic term applied to any tachycardia originating above the ventricles and which involves atrial tissue or atrioventricular (AV) nodal tissue. 4 This heart rhythm disturbance can ... The most common causes of tachycardia that should be treated outside of the ACLS tachycardia algorithm are dehydration, hypoxia, fever, and sepsis. There may be other contributing causes and a review of the H’s and T’s of ACLS should take place as needed. Click below to view the H and T’s table. When done click again to close the diagram. In ACLS Megacode Scenario 1, use the appropriate ACLS algorithm to answer the multiple choice questions. This ACLS Scenario has 12 questions. ... Unstable Polymorphic ventricular tachycardia will receive unsynchronized cardioversion due to the fact that synchronization cannot occur with polymorphic ventricular tachycardia. Kind regards, …Ventricular Tachycardia = 3 or more VEB at a rate of > 130 beats/min; If > 30 seconds = sustained; can be monophoric or polymorphic; TYPES. Monomorphic. most common; associated with MI; Polymorphic. QRS at 200 beats/min or more which change amplitude and axis so they appear to twist around the baseline-> treatment is the same … Wide complex ventricular tachycardia can sometimes be caused by: Heart disease. Electrolyte imbalance, especially in potassium. QT interval prolongation. If the patient is stable, a 12-lead ECG should be ordered to see if the rhythm is supraventricular or ventricular in origin. If the patient is unstable, immediate treatment is vital. Ventricular tachycardia is a heart rate higher than 120 beats per minute that starts in your heart’s two lower chambers (ventricles), rather than from the normal electrical pathway. A normal resting heart rate is 60 to 100 beats per minute. During an episode of ventricular tachycardia, your heart is beating so fast that: Your blood pressure ...- Pulseless ventricular tachycardia and ventricular fibrillation - Refractory pulseless ventricular tachycardia or ventricular fibrillation. Defibrillation strategies - …

Approximately 300,000 out-of-hospital cardiac arrests (OHCA) occur annually in the United States, with survival around 8%. 10 The initial rhythm may be ventricular fibrillation (VF), pulseless ventricular tachycardia (VT), asystole, or pulseless electrical activity (PEA). 16 Two-thirds of OHCA has an initial non-shockable rhythm of PEA or asystole with an …

Ventricular tachycardia is 3 consecutive ventricular beats at a rate 120 beats/minute. Symptoms depend on duration and vary from none to palpitations to hemodynamic collapse and death. Diagnosis is by electrocardiography. Treatment of more than brief episodes is with cardioversion or antiarrhythmics, depending on symptoms. Maintenance infusion: 1–4 mg/min. Avoid if prolonged QT or CHF. First dose: 150 mg over 10 minutes. Repeat as needed if VT recurs. Follow by maintenance infusion of 1 mg/min for rst 6 hours. Sotalol IV dose: 100 mg (1.5 mg/kg) over 5 minutes. Avoid if prolonged QT. Review guidelines for the pediatric cardiac arrest algorithm with our free resources. Start CPR. Start CPR with hard and fast compressions, around 100 to 120 per minute, allowing the chest to completely recoil. Give the patient oxygen and attach a monitor or defibrillator. Make sure to minimize interruptions in chest compressions and avoid ...Swvl, an Egyptian startup that provides shared transportation services, has expanded into Turkey with its acquisition of Volt Lines. Swvl, an Egyptian startup that provides shared ...Study with Quizlet and memorize flashcards containing terms like s/s of unstable tachycardia (7), primary importance of treating causative factors of tachycardia, The fist question that should be asked when initiating the ACLS tachycardia algorithm is: and more.Online Review with Practice Questions. Review and Retake of Exam. Recertification Certification. Learn to identify the symptoms and treatment for wide QRS complex …Study with Quizlet and memorize flashcards containing terms like What is the Treatment protocol for a patient in V-tach with a pulse that is stable?, If the V-tach with a pulse terminates, what is to be done with the amiodarone?, Treatment for unstable V-tach? and more. ... ACLS/PALS Precourse Assessment Review. 40 terms. BrynnDunk. Preview ...Lidocaine is an antiarrhythmic that can also be used and is considered equivalent to amiodarone in the treatment of ventricular fibrillation or pulseless ventricular tachycardia. Dosing. Provide an initial dose of 1-1.5 mg/kg IV or IO. If pVT or VF persists the lidocaine may be repeated at 0.5-0.75 mg/kg over 5 to 10 minute intervals.Treatment includes risk factor elimination including smoking cessation, and treatment with vasodilators including dihydropyridine calcium channel …TREATMENT END Bradycardia Pulse present, heart rate < 50 bpm, and inadequate perfusion Task Actions Crisis Resources • Inform team • Identify leader • Call a code • Call for code cart Pulse Check • If no pulse: start CPR and See Asystole/PEA #1 Airway • 100% O 2 10 - 15 L/min

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Rhythm Recognition. Knowing how to read and interpret ECGs is a critically important skill in ACLS and PALS. Take a moment to review the most common cardiac rhythms encountered in ACLS and PALS. The Prototypical ECG Tracing. The P wave corresponds to electrical impulse traveling through the atria. This is synonymous with atrial …Others, such as opioid overdose, are sharply on the rise in the out-of-hospital setting. 2 For any cardiac arrest, rescuers are instructed to call for help, perform CPR to restore coronary and cerebral blood flow, and apply an AED to directly treat ventricular fibrillation (VF) or ventricular tachycardia (VT), if present. Although the majority ...25 Nov 2022 ... Sinus Tachycardia is a regular fast heart rate of 100 to 150 beats per minute. Supraventricular Tachycardia (SVT) or Paroxysmal ...PALS Cardiac Arrest Algorithm 1. Activate emergency medical services, call a pediatric “code blue”, obtain AED or defibrillator 2. Is the rhythm shockable? Rhythm IS shockable (ventricular fibrillation or unstable ventricular tachycardia) 1. Administer shock at 2 Joules/kg 2. Administer high-quality CPR for 2 minutes 3. Check rhythm If not shockable, … In ACLS, Lidocaine is used intravenously for the treatment of ventricular arrhythmias. (VT/VF) It is also useful for the treatment of stable monomorphic VT with preserved ventricular function and for stable polymorphic VT with preserved left ventricular function, normal QT interval, and correction of any electrolyte imbalances. The Advanced Cardiovascular Life Support (ACLS) algorithm for Ventricular Tachycardia (VTach) and Ventricular Fibrillation (VFib) focuses on the immediate recognition and management of these life-threatening arrhythmias. Here's a step-by-step guide, including recommended energy dosages for defibrillation: ... Adjust treatment based on the ... The "H's and T's" is a mnemonic device which will help you to recall the factors that contribute to pulseless arrest, include Pulseless Electrical Activity (PEA), Asystole (flatline), Ventricular Fibrillation (VFib or VF), and Ventricular Tachycardia (VTach or VT). These factors are primarily associated with PEA, but having a working knowledge ... This 2023 focused update to the American Heart Association (AHA) advanced cardiovascular life support (ACLS) guidelines for cardiopulmonary …Jun 16, 2022 · But sometimes, a fast heartbeat can signal an underlying medical issue called ventricular tachycardia, also called “VT” or “V-tach.”. V-tach occurs when your pulse rate is more than 100 beats per minute, and you have at least three irregular heartbeats, or arrhythmias, in a row. Besides palpitations, V-tach can cause symptoms like chest ... Ventricular fibrillation (VF or V-fib) is the most common initial heart rhythm in patients with out-of-hospital cardiac arrest (OHCA), and the most salvageable one. 5 In VF, the etiology of arrest is often attributed to either acute ischemia or non-ischemic arrhythmia. 8. Although VF appears as a chaotic and disorganized rhythm, characteristics ...ACLS Treatments: For the purposes of ACLS atrial fibrillation is treated when the arrhythmia/tachyarrhythmia produces hemodynamic instability and serious signs and symptoms. For the patient with unstable tachycardia due to a tachyarrhythmia, immediate cardioversion is recommended. Drugs are not used to manage unstable tachycardia. The ... ….

With this ACLS algorithm, you'll need to determine if the patient is stable or unstable by evaluating and specifying if the rhythm is regular or irregular and if the QRS is wide or narrow. This ACLS flowchart can help you detect the type of tachyarrhythmia. View Algorithm. The Tachycardia With A Pulse ACLS Algorithm is based on the latest AHA ...AV indicates atrioventricular; ECG, electrocardiogram; SVT, supraventricular tachycardia; and VT, ventricular tachycardia. For a patient presenting in SVT, the 12 …TREATMENT END Bradycardia Pulse present, heart rate < 50 bpm, and inadequate perfusion Task Actions Crisis Resources • Inform team • Identify leader • Call a code • Call for code cart Pulse Check • If no pulse: start CPR and See Asystole/PEA #1 Airway • 100% O 2 10 - 15 L/minVentricular tachycardia is 3 consecutive ventricular beats at a rate 120 beats/minute. Symptoms depend on duration and vary from none to palpitations to hemodynamic collapse and death. Diagnosis is by electrocardiography. Treatment of more than brief episodes is with cardioversion or antiarrhythmics, depending on symptoms.Jul 1, 2021 · Consider sedation prior to cardioversion but do not delay treatment. If the rhythm is regular with narrow complexes, consider adenosine 6 mg IV rapid push. If the patient is stable, measure the QRS. If QRS is wider than 0.12 seconds, establish IV access and obtain a 12 lead ECG. Consider adenosine only if the rhythm is regular and monomorphic. Study with Quizlet and memorize flashcards containing terms like What is the Treatment protocol for a patient in V-tach with a pulse that is stable?, If the V-tach with a pulse terminates, what is to be done with the amiodarone?, Treatment for unstable V-tach? and more. ... ACLS/PALS Precourse Assessment Review. 40 terms. BrynnDunk. Preview ... Maintenance infusion: 1–4 mg/min. Avoid if prolonged QT or CHF. First dose: 150 mg over 10 minutes. Repeat as needed if VT recurs. Follow by maintenance infusion of 1 mg/min for rst 6 hours. Sotalol IV dose: 100 mg (1.5 mg/kg) over 5 minutes. Avoid if prolonged QT. CPR Quality. Push hard (at least 2 inches [5 cm]) and fast (100-120/min) and allow complete chest recoil. Minimize interruptions in compressions. Avoid excessive ventilation. 2 minutes, or sooner if fatigued. If no advanced airway, 30:2 compression-ventilation ratio. If Petco2 <10 mm Hg, attempt to improve CPR quality. V tach treatment acls, Nonsustained ventricular tachycardia (NSVT) is a common but poorly understood arrhythmia. It is usually asymptomatic and most often diagnosed during cardiac monitoring (eg, continuous ambulatory electrocardiography or inpatient telemetry) or on an exercise test performed for other reasons. The presence of NSVT has long been …, Ventricular Tachycardia. Definition: A wide-complex (QRS complex > 120 msec) tachydysrhythmia that originates within or below the bundle of His. Nonsustained VT: Short episodes of VT lasting < 30 seconds. Sustained VT: prolonged episodes of VT lasting > 30 seconds. Differential to Consider., In ACLS Megacode Scenario 1, use the appropriate ACLS algorithm to answer the multiple choice questions. This ACLS Scenario has 12 questions. ... Unstable Polymorphic ventricular tachycardia will receive unsynchronized cardioversion due to the fact that synchronization cannot occur with polymorphic ventricular tachycardia. Kind regards, …, Explore our Rippling vs Paychex comparison, where we look at pricing and features, to find the platform that fits your business needs. Human Resources | Editorial Review Updated Ma..., Supraventricular tachycardia (SVT) is an arrhythmia initiated above the ventricles, at or above the atrioventricular (AV) node. This cardiac rhythm occurs due to improper electrical conduction within the heart that disrupts the coordination of heartbeats. Early beats occur within the atria of the heart due to improperly functioning electrical ..., Consider expert consultation Prepare for cardioversion. Version control: This document follows 2020 American Heart Association® guidelines for CPR and ECC. American Heart Association® guidelines are updated every ve years. If you are reading this page after December 2025, please contact [email protected] for an update. Version 2023.07.a., Monomorphic ventricular tachycardia will have QRS complexes greater than or equal to .12 second (120 milliseconds). These QRS complexes appear uniform and symmetrical. This suggests that the impulses and/or circuitry of the heart is causing complexes to originate in the same area of the ventricle. Polymorphic Ventricular Tachycardia. , Polymorphic ventricular tachycardia in Brugada syndrome.A, Typical type I Brugada pattern (only leads V1–V3 are shown). B, Representative event of spontaneous polymorphic ventricular tachycardia deteriorating to ventricular fibrillation as recorded by an implanted defibrillator (stored bipolar and shock-lead electrograms of the event). Note ..., TREATMENT END Bradycardia Pulse present, heart rate < 50 bpm, and inadequate perfusion Task Actions Crisis Resources • Inform team • Identify leader • Call a code • Call for code cart Pulse Check • If no pulse: start CPR and See Asystole/PEA #1 Airway • 100% O 2 10 - 15 L/min , Supraventricular tachycardia (SVT) is an arrhythmia initiated above the ventricles, at or above the atrioventricular (AV) node. This cardiac rhythm occurs due to improper electrical conduction within the heart that disrupts the coordination of heartbeats. Early beats occur within the atria of the heart due to improperly functioning electrical ..., Tachycardia Treatment. When there is a patient with tachycardia, the first step is to identify whether or not the patient is stable. A stable patient usually does not have any serious signs or symptoms from the increased heart rate. In other words, there is no altered mental status, no chest pain, no hypotension, or any other signs of shock., 2. Assess the individual’s hemodynamic status and begin treatment by establishing IV, giving supplementary oxygen, and monitoring the heart. Heart rate of 100 to 130 bpm is usually the result of an underlying process and often represents sinus tachycardia. In sinus tachycardia, the goal is to identify and treat the underlying systemic cause. , The H’s and T’s of ACLS is a mnemonic used to help recall the major contributing factors to pulseless arrest including PEA, Asystole, Ventricular Fibrillation, and Ventricular Tachycardia. These H’s and T’s will most commonly be associated with PEA, but they will help direct your search for underlying causes to any of arrhythmias ..., V-Tach is characterized by a rapid heart rate of 100 to 250 beats per minute, and it can cause the heart to beat less efficiently, reducing blood flow to the body’s organs. V-Tach can be life-threatening and requires prompt medical attention. Symptoms of V-Tach may include palpitations, dizziness, fainting, and sudden cardiac arrest., Wide Complex Tachycardia. The classification of ventricular tachycardia is based on several factors: ECG appearance, duration of VT, and most importantly, hemodynamic status of the patient. – Monomorphic VT is a wide complex rhythm with a QRS duration greater than 120 ms. It originates from a single focus and is identical from beat to beat., Catch up on TPG stories you might have missed this week -- plus a few news items, too. Each Saturday, we round up news stories that you might have missed from the week before, incl..., Stable: drugs or treatment. Unstable: electricity, cardioversion. Looking at the SVT part of the algorithm, if your patient is stable, you can try vagal maneuvers (the old icepack to the eyes) or you could try medications (adenosine 0.1 mg/kg), but should this SVT cause the patient to become hemodynamically unstable, immediate synchronized ..., Everything you need to know about assessing and managing unstable tachycardia. At its core, tachycardia is defined as a heart rate greater than 100 bpm. In such cases, the tachycardia algorithm should be used. Essentially, the heart is either beating too fast and/or ineffectively that cardiac output is reduced., Atrial fibrillation. Atrial flutter. Monomorphic VT. Polymorphic VT. Wide-complex tachycardia of uncertain type. ACLS Treatment for Tachycardia. Click below to view the tachycardia algorithm diagram. When done click …, Extracardiac causes. ” for further detail. secondary to several factors (see “Etiology” for details). Symptoms may be unprovoked or exacerbated by physical and/or emotional triggers (e.g., exercise, anger). Ventricular tachycardia (VT) is a potentially life-threatening arrhythmia originating in the cardiac ventricles., Learn and Master ACLS/PALS. OVER 150,000 SATISFIED HEALTH CARE PROVIDERS. PALS Tachycardia Algorithms ... Ventricular tachycardia; Wide-complex QRS tachycardia; ... The interventions for the initial management of both stable and unstable tachyarrhythmias are identical to the treatment for any critically-ill child. Begin with the …, Everything you need to know about assessing and managing unstable tachycardia. At its core, tachycardia is defined as a heart rate greater than 100 bpm. In such cases, the tachycardia algorithm should be used. Essentially, the heart is either beating too fast and/or ineffectively that cardiac output is reduced., With this ACLS algorithm, you'll need to determine if the patient is stable or unstable by evaluating and specifying if the rhythm is regular or irregular and if the QRS is wide or narrow. This ACLS flowchart can help you detect the type of tachyarrhythmia. View Algorithm. The Tachycardia With A Pulse ACLS Algorithm is based on the latest AHA ..., Sustained monomorphic ventricular tachycardia in patients with structural heart disease: Treatment and prognosis; Treatment of arrhythmias associated with the Wolff-Parkinson-White syndrome; Unexpected rhythms with normally functioning dual-chamber pacing systems; Vagal maneuvers; Ventricular tachycardia in the absence of …, Question 8 / 10. Sinus tachycardia is a heart rate that is greater than 100/min and is generated by sinus node discharge. Sinus tachycardia is caused by cardiac conditions. In sinus tachycardia, the goal is to identify and treat the underlying systemic cause. Cardioversion is contraindicated in Sinus Tachycardia., [email protected] for an update. Version 2023.07.a Expert consultation advised or Do not routinely administer amiodarone and procainamide together Secure, verify airway and vascular access when possible Consider expert consultation Prepare for cardioversion or Amiodarone 5 mg/kg IV over 20 to 60 minutes Procainamide IO/IV 15 mg/kg IV over 30 to ..., 2018 American Heart Association Focused Update on Advanced ... , Procainamide is a medication used to manage and treat ventricular arrhythmias, supraventricular arrhythmias, atrial flutter/fibrillation, and Wolf-Parkinson-White syndrome. It is in the antiarrhythmic Agent Class 1A class of medications. This activity reviews the indications, action, and contraindications for procainamide as a valuable …, A tach-dwell meter is a combination electronic device that measures engine rpm as a tachometer and ignition point dwell angle. The tachometer function is self-explanatory; it measu..., clinical aspects. Outflow tract VT is an idiopathic form of VT that occurs in structurally normal hearts, due to an automaticity focus that is usually within the RVOT (with a mechanism involving cAMP triggered activity from delayed afterdepolarization). This is frequently seen in young to middle-aged patients., Adult Dosage for Lidocaine: Dosage for cardiac arrest from ventricular fibrillation or pulseless ventricular tachycardia: Initial dose is 1 to 1.5 mg/kg IV or IO. Can also be delivered via endotracheal tube. Dosage for refractory ventricular fibrillation: An additional .5 to .75 mg/kg may be given via IV push., We would like to show you a description here but the site won’t allow us., It is a type of ventricular arrhythmia or abnormal heartbeat of the ventricles. In pulseless ventricular tachycardia, the heart contracts too fast ( tachycardia ). This prevents the ventricles from filling with blood and stops blood flow to the body. Without blood flow, a person has no pulse. This lack of blood flow can quickly lead to organ ...