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Cardiac Arrhythmias and Electrophysiology Quiz

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#1

Which of the following is NOT a common symptom of cardiac arrhythmias?

High blood pressure
Explanation

Cardiac arrhythmias typically don't cause high blood pressure.

#2

What is the term for a condition where the heart's electrical signals do not function properly, causing irregular heartbeats?

Arrhythmia
Explanation

Arrhythmia refers to irregular heart rhythms.

#3

Which of the following is NOT a risk factor for developing cardiac arrhythmias?

Regular exercise
Explanation

Regular exercise is not typically a risk factor for arrhythmias.

#4

What is the term for an abnormally slow heart rhythm, typically less than 60 beats per minute?

Bradycardia
Explanation

Bradycardia refers to a slow heart rate.

#5

Which of the following is a common symptom of supraventricular tachycardia (SVT)?

Fluttering sensation in the chest
Explanation

SVT may cause fluttering sensation in the chest.

#6

What is the primary role of the sinoatrial (SA) node in the heart's electrical system?

Initiating the heartbeat
Explanation

SA node initiates electrical impulses, starting heartbeats.

#7

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

Beta-blockers
Explanation

Beta-blockers are often used to control heart rate in atrial fibrillation.

#8

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

Coronary artery disease
Explanation

Coronary artery disease can lead to ventricular tachycardia.

#9

What is the term for an irregular heartbeat caused by a delay in the electrical conduction between the atria and ventricles?

Heart block
Explanation

Heart block results from delayed electrical signals.

#10

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

Absence of P waves
Explanation

Atrial fibrillation ECG shows absence of P waves.

#11

What is the term for an abnormally fast heart rhythm, typically greater than 100 beats per minute?

Tachycardia
Explanation

Tachycardia refers to rapid heart rate.

#12

What is the term for a brief interruption in the heart's electrical signaling, causing a temporary pause in the heartbeat?

Premature atrial contraction
Explanation

Premature atrial contraction causes temporary pauses in heartbeat.

#13

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

Cardiac arrest
Explanation

Untreated ventricular fibrillation can lead to cardiac arrest.

#14

What is the term for the condition where the heart's electrical system spontaneously generates rapid and chaotic electrical impulses?

Ventricular fibrillation
Explanation

Ventricular fibrillation leads to chaotic heartbeats.

#15

What is the primary purpose of an electrophysiology study (EPS)?

To diagnose cardiac arrhythmias
Explanation

EPS helps diagnose the origin of arrhythmias.

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