List five signs or symptoms of decreased cardiac output.
What will be an ideal response?
Question 2The atrioventricular (AV) junction consists of the _____.
a. SA and AV nodes
b. AV node and the Purkinje fibers
c. AV node and nonbranching portion of the bundle of His
d. AV node, bundle of His, and the right and left bundle branches
Question 3The usual rate of nonparoxysmal junctional tachycardia is _____ beats/min.
a. 50 to 80
b. 80 to 120
c. 101 to 140
d. 150 to 300
Question 4What is a biphasic waveform?
What will be an ideal response?
Question 5In a junctional rhythm viewed in lead II, where is the location of the P wave on the ECG if atrial depolarization precedes ventricular depolarization?
a. Before the QRS complex
b. During the QRS complex
c. After the QRS complex
Question 6A junctional escape rhythm occurs because of _____.
a. severe chronic obstructive pulmonary disease
b. multiple irritable sites firing within the AV junction
c. slowing of the rate of the heart's primary pacemaker
d. intrathoracic pressure changes associated with the normal respiratory cycle
Question 7When is the term intraventricular conduction delay used?
What will be an ideal response?
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