Two conditions must exist to suspect bundle branch block. First, the QRS complex must have an abnormal duration (0.12 seconds or more in width), and second _____.
a. an RSR' complex must be seen in leads V1-V6
b. a QS pattern must be seen in leads I, II, and III
c. a slurred upstroke of the QRS complex must exist
d. the QRS complex must arise as the result of supraventricular activity
Question 2Which of the following are chest leads?
a. Leads I, II, and III
b. Leads I and aVL
c. Leads V1, V2, V3, V4, V5, and V6
d. Leads I, II, III, aVR, aVL, and aVF
Question 3The anterior surface of the heart consists primarily of the _____.
a. left atrium
b. right atrium
c. left ventricle
d. right ventricle
Question 4Tall, peaked T waves observed on the ECG are most commonly seen in patients with _____.
a. hypokalemia
b. hyponatremia
c. hyperkalemia
d. hypernatremia
Question 5The first segment of the left coronary artery is the _____ artery.
a. circumflex
b. right coronary
c. left main coronary
d. left anterior descending
Question 6The presence of an accessory pathway should be considered in atrial fibrillation with a ventricular rate faster than 180 beats/min.
Indicate whether the statement is true or false
Quick Reply
