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'''For patient information, click [[Pulseless ventricular tachycardia (patient information)|here]]'''


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{{CMG}}; {{AE}}{{Aisha}}
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'''Associate Editor-In-Chief:''' {{CZ}}
{{SK}} pVT


==Pulseless Ventricular Tachycardia==
==[[Pulseless ventricular tachycardia overview|Overview]]==


In [[pulseless ventricular tachycardia]] and electromechanical dissociation, organized electrical activity is present but fails to produce a detectable cardiac output.
==[[Pulseless ventricular tachycardia historical perspective|Historical Perspective]]==


In a patient who is in the middle of a cardiac arrest 12 lead [[electrocardiography]] is impractical; use a cardiac monitor to determine the rhythm, and any broad complex tachycardia should be assumed to be ventricular in origin.
==[[Pulseless ventricular tachycardia classification|Classification]]==


Pulseless ventricular tachycardia is managed in the same way as [[ventricular fibrillation]], early defibrillation being the mainstay of treatment.<ref>Morris F, Edhouse J, Brady W J, Conn J. ABC of Clinical Electrocardiography, BMJ Books, 2003</ref>
==[[Pulseless ventricular tachycardia pathophysiology|Pathophysiology]]==


==Pulseless Electrical Activity==
==[[Pulseless ventricular tachycardia causess|Causes]]==
==[[Pulseless ventricular tachycardia differential diagnosis|Differentiating Pulseless ventricular tachycardia from other Diseases]]==


In pulseless electrical activity the heart continues to work electrically but fails to provide a cardiac output sufficient to produce a palpable pulse.
==[[Pulseless ventricular tachycardia epidemiology and demographics|Epidemiology and Demographics]]==


===Electrocardiographic features of pulseless electrical activity===  
==[[Pulseless ventricular tachycardia screening|Screening]]==


The appearance of the [[electrocardiogram]] varies, but several common patterns exist. There may be a normal [[sinus rhythm]] or [[sinus tachycardia]], with discernible P waves and QRS complexes. Sometimes there is a [[bradycardia]], with or without P waves, and often with wide QRS complexes.<ref>Foster B, Twelve Lead Electrocardiography, 2nd edition, 2007</ref>
==[[Pulseless ventricular tachycardia natural history, complications and prognosis|Natural History, Complications, and Prognosis]]==


Successful treatment of pulseless electrical activity depends on whether it is a primary cardiac event or is secondary to a potentially reversible disorder.
==Diagnosis==
[[Pulseless ventricular tachycardia diagnostic study of choice|Diagnostic Study of Choice]] | [[Pulseless ventricular tachycardia history and symptoms|History and Symptoms]] | [[ Pulseless ventricular_tachycardia_physical_examination|Physical Examination]] | [[Pulseless ventricular tachycardia laboratory findings|Laboratory Findings]] | [[Pulseless ventricular tachycardia electrocardiogram|Electrocardiogram]] | [[Pulseless ventricular tachycardia x ray|X-ray]] | [[Pulseless ventricular tachycardia echocardiography and ultrasound|Echocardiography]] | [[Pulseless ventricular tachycardia MRI|Cardiac MRI]] | [[Pulseless ventricular tachycardia other diagnostic studies|Other Diagnostic Studies]] |


===Potentially reversible causes of pulseless electrical activity===
==Treatment ==
*[[Hypovolemia]]
*[[Cardiac tamponade]]
*[[Tension pneumothorax]]
*[[Massive pulmonary embolism]]
*[[Hyperkalemia]], [[hypokalemia]], and metabolic disorders
*[[Hypothermia]]
*Toxic disturbances as overdoses of [[beta blocker]]s, [[tricyclic antidepressant]]s, or [[calcium channel blockers]].


==Additional pages to refer==
[[Pulseless ventricular tachycardia medical therapy|Medical Therapy]] | [[Pulseless ventricular tachycardia interventions|Interventions]] | [[Pulseless ventricular tachycardia surgery|Surgery]] | [[Pulseless ventricular tachycardia primary prevention|Primary Prevention]] | [[Pulseless ventricular tachycardia secondary prevention|Secondary Prevention]] |[[Pulseless ventricular tachycardia cost-effectiveness of therapy|Cost-Effectiveness of Therapy]] | [[Pulseless ventricular tachycardia future or investigational therapies|Future or Investigational Therapies]] |
*[[Electrocardiogram]]
*[[Electrocardiography]]


==References==
==Case Studies==
{{reflist|2}}
[[Pulseless ventricular tachycardia case study one|Case #1]]


{{Electrocardiography}}
==Related Chapters==
{{SIB}}
*[[Tachycardia]]
*[[Ventricular Tachycardia]]
*[[Wide complex tachycardia]]
*[[Ventricular fibrillation]]
*[[Supraventricular tachycardia]]


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Latest revision as of 01:03, 10 July 2020


Pulseless ventricular tachycardia
Rythm; Pulseless ventricular tachycardia

Pulseless ventricular tachycardia Microchapters

Home

Patient Information

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Pulseless ventricular tachycardia from other Diseases

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Diagnosis

Diagnostic Study of Choice

History and Symptoms

Physical Examination

Laboratory Findings

Electrocardiogram

X-ray

Echocardiography

Cardiac MRI

Other Diagnostic Studies

Treatment

Medical Therapy

Interventions

Surgery

Primary Prevention

Secondary Prevention

Cost-Effectiveness of Therapy

Future or Investigational Therapies

Case Studies

Case #1

Pulseless ventricular tachycardia On the Web

Most recent articles

Most cited articles

Review articles

CME Programs

Powerpoint slides

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X-rays
Echo & Ultrasound
CT Images
MRI

Ongoing Trials at Clinical Trials.gov

US National Guidelines Clearinghouse

NICE Guidance

FDA on Pulseless ventricular tachycardia

CDC on Pulseless ventricular tachycardia

Pulseless ventricular tachycardia in the news

Blogs on Pulseless ventricular tachycardia

Directions to Hospitals Treating Psoriasis

Risk calculators and risk factors for Pulseless ventricular tachycardia

For patient information, click here

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Aisha Adigun, B.Sc., M.D.[2]

Synonyms and keywords: pVT

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Pulseless ventricular tachycardia from other Diseases

Epidemiology and Demographics

Screening

Natural History, Complications, and Prognosis

Diagnosis

Diagnostic Study of Choice | History and Symptoms | Physical Examination | Laboratory Findings | Electrocardiogram | X-ray | Echocardiography | Cardiac MRI | Other Diagnostic Studies |

Treatment

Medical Therapy | Interventions | Surgery | Primary Prevention | Secondary Prevention |Cost-Effectiveness of Therapy | Future or Investigational Therapies |

Case Studies

Case #1

Related Chapters


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