Multiple Choice
A patient presents with atrial flutter with an atrial rate of 280 beats/min and a ventricular rate of 70 beats/min.Which statement best explains this discrepancy in rates?
A) The ventricles are too tired to respond to all the atrial signals.
B) The atrioventricular (AV) node does not conduct all the atrial signals to the ventricles.
C) Some of the atrial beats are blocked before reaching the AV node.
D) The ventricles are responding to a ventricular ectopic pacemaker.
Correct Answer:
Verified
Correct Answer:
Verified
Q15: Most chest radiographs of critically ill patients
Q16: A patient returns from the cardiac catheterization
Q17: A patient's bedside electrocardiogram (ECG)strips show the
Q18: What is the most common complication of
Q19: Why is a new-onset of atrial fibrillation
Q21: Identify the rhythm. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6146/.jpg" alt="Identify the
Q22: Identify the rhythm. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6146/.jpg" alt="Identify the
Q23: What is the physiologic effect of left
Q24: What is the initial intervention in a
Q25: When performing a 12-lead electrocardiogram (ECG),how many