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Doctor insights on: Ventricular Fibrillation Vs Ventricular Tachycardia

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What test/s detect fibrillation and ventricular tachycardia ? What causes them? :/

What test/s detect fibrillation and ventricular tachycardia ? What causes them? :/

EKG typically or: If it happens intermittently, your doctor may prescribe an event monitor or holter monitor, which is a device that you wear at home and can detect cardiac arrhythmias. The most common cause is coronary artery disease. ...Read more

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Dr. Michael Zevitz
569 doctors shared insights

Ventricular Fibrillation (Definition)

Ventricular fibrillation is a condition where there is an uncoordinated electrical stimulation to the ventricles of the heart, causing the muscles to contract individually rather than together as a group response. The heart is unable to pump ...Read more


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What is the difference between ventricular fibrillation and ventricular re-entrant tachycardia? And which is more severe?

What is the difference between ventricular fibrillation and ventricular re-entrant tachycardia? And which is more severe?

Circulation: Ventricular fibrillation is totally disorganized and does not effectively pump blood. Untreated, this will be fatal. Ventricular tachycardia is organized, and depending on the rate, and the part of the heart it originates from, may be able to generate an effective blood pressure, at least for awhile. Serious, but not always fatal. ...Read more

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How to control ventricular tachycardia?

How to control ventricular tachycardia?

Ventricular tachy: There are lots of options-medications or ablation. If are asking as a patient, I would sit down with an electrophysiologist and discuss. The treatment has to be individualized. If you are asking for education, there are lots of online free materials available. ...Read more

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What are some signs of ventricular tachycardia?

What are some signs of ventricular tachycardia?

No specific signs: You can not determine if an abnormal heart rhythm is due to VT by how it feels. Vt is, by definition, a fast heart beat so people may feel pounding in their chest. Depending on the rate, they may become dizzy, short of breath, have chest pain, get sweaty and/or pass out. None of these symptoms are specific for vt. The rhythm must be recorded on ekg or on a monitor for definitive diagnosis. ...Read more

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What exactly is "persistent ventricular tachycardia"?

What exactly is "persistent ventricular tachycardia"?

Life threatening: Ventricular tachcardia is a life threatening arrythmia. Its the rythm that needs to be "shocked". The pts in persistent v-tach is when shocking or medicine doesnt restore normal sinus rythm. The pt usually expire. ...Read more

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How does ventricular tachycardia kill you?

How does ventricular tachycardia kill you?

Mechanism below:: When VT occurs at a fast enough rate, there is inadequate time for blood to fill the ventricle during each cycle, cardiac output falls, and blood pressure falls. Rate is the key variable. As tissue perfusion fails, acidosis, hypoxemia (low oxygen) and hyperkalemia (high potassium) result which leads to further deterioration in rhythm, ie, ventricular fibrillation and death. ...Read more

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Can ventricular tachycardia cause blackout?

Yes: Black-outs (or syncope) are often caused by transient reductions in blood flow to the brain from a variety of causes. With ventricular tachycardia, the abnormal rhythm may be associated with a reduction in cardiac output and a temporary reduction in brain blood flow that can lead to syncope. ...Read more

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What causes pulseless ventricular tachycardia?

What causes pulseless ventricular tachycardia?

Not really pulseless: When VT occurs at a fast enough rate, there is inadequate time for ventricular filling, cardiac output falls, and blood pressure falls. You may not be able to palpate a pulse but an arterial line would show a waveform that is reduced in amplitude. Rate is the key. As tissue perfusion fails, acidosis, hypoxemia and hyperkalemia result leading to ventricular fibrillation and death. ...Read more

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Do people with ventricular tachycardia have a lot of pain?

Do people with ventricular tachycardia have a lot of pain?

No/That's a problem!: Ventricular tachycardia is one of the most life-threatening abnormal heart rhythms. It can be associated with angina, but I am sure many doctors here have been called urgently to a hospital patient's bedside with v-tach much to the inquisitive look of the patient as they are wheeled urgently to intensive care for more careful monitoring and treatment. So no, not generally, but it is serious. ...Read more

Fibrillation (Definition)

Fibrillation is the rapid, irregular, and unsynchronized contraction of muscle fibers. An important occurrence is with ...Read more


Dr. Laura Yauch
103 doctors shared insights

Ventricular Tachycardia (Definition)

Abnormal fast rhythm from the large chambers of the heart which can be ...Read more