Bradycardia Flashcards
(19 cards)
What is bradycardia?
Bradycardia is a slower than normal heart rate, typically defined as fewer than 60 beats per minute.
True or False: Bradycardia can be a sign of a healthy heart in athletes.
True
Fill in the blank: The normal resting heart rate for adults ranges from ____ to ____ beats per minute.
60 to 100
What are some common causes of bradycardia?
Common causes include heart disease, hypothyroidism, electrolyte imbalances, and certain medications.
Multiple choice: Which of the following is NOT a symptom of bradycardia? A) Dizziness B) Fatigue C) Rapid heartbeat D) Fainting
C) Rapid heartbeat
What is the medical term for a heart rate of fewer than 40 beats per minute?
Severe bradycardia
True or False: All forms of bradycardia require treatment.
False
What device is commonly used to treat symptomatic bradycardia?
A pacemaker
Fill in the blank: Bradycardia is often diagnosed using an _____.
electrocardiogram (ECG)
Multiple choice: Which type of bradycardia is characterized by a complete block of electrical signals? A) Sinus bradycardia B) Atrioventricular (AV) block C) Junctional bradycardia D) None of the above
B) Atrioventricular (AV) block
What is a common treatment for bradycardia caused by medication?
Adjusting or discontinuing the medication
True or False: Bradycardia can lead to serious complications if not treated.
True
What are some potential complications of untreated bradycardia?
Complications can include heart failure, low blood pressure, and cardiac arrest.
Fill in the blank: Patients with bradycardia may experience ____ due to insufficient blood flow to the brain.
syncope (fainting)
Multiple choice: Which of the following conditions can mimic bradycardia? A) Hyperthyroidism B) Fever C) Vasovagal syncope D) All of the above
C) Vasovagal syncope
What lifestyle change might help manage bradycardia in some patients?
Increasing physical activity, if approved by a physician
True or False: Bradycardia is more common in older adults.
True
What is the role of the sinoatrial (SA) node in relation to bradycardia?
The SA node is responsible for initiating the heartbeat; dysfunction can lead to bradycardia.
Fill in the blank: Bradycardia may be asymptomatic in some individuals, meaning they do not experience any ____.
symptoms