Ventricular Fibrillation and Cardiac Dysrhythmias Quiz

Explore cardiac electrophysiology through a quiz covering ventricular fibrillation, its characteristics, management, and associated risks.

Practice Learn Test

What is ventricular fibrillation?

A normal heart rhythm

An irregular heart rhythm originating in the atria

An irregular heart rhythm originating in the ventricles

A rapid but coordinated heart rhythm

Which of the following is a common cause of ventricular fibrillation?

Hypertension

Bradycardia

Electrical shock

Atrial fibrillation

What is the term for a rapid, irregular heart rate originating from the atria?

Ventricular tachycardia

Atrial fibrillation

Ventricular fibrillation

Bradycardia

What is the immediate management step for ventricular fibrillation in a healthcare setting?

Administering intravenous fluids

Performing synchronized cardioversion

Starting oral medication

Initiating chest compressions and defibrillation

What is the treatment of choice for ventricular fibrillation?

Antibiotics

Cardiopulmonary resuscitation (CPR)

Hyperventilation

Anticoagulants

Which of the following is a characteristic of ventricular fibrillation on an electrocardiogram (ECG)?

Regular and narrow QRS complexes

Absence of P waves

Sawtooth-shaped P waves

Synchronized atrial and ventricular contractions

Which of the following is a potential complication of untreated ventricular fibrillation?

Hypotension

Heart block

Sudden cardiac death

Hyperkalemia

Which of the following medications is commonly used to treat ventricular fibrillation?

Beta blockers

Calcium channel blockers

Amiodarone

Diuretics

Which of the following is a risk factor for developing ventricular fibrillation?

Regular exercise

Hypokalemia

A healthy diet

Coronary artery disease

#10

What is the purpose of defibrillation in the management of ventricular fibrillation?

To stop the heart

To synchronize atrial and ventricular contractions

To restore normal heart rhythm

To administer medication directly to the heart

#11

What is the approximate survival rate for patients experiencing ventricular fibrillation outside of a hospital setting without immediate intervention?

Less than 5%

Around 50%

Over 90%

100%