On the ECG strip, a third-degree AV block usually appears as a:
A) wide QRS complex rhythm with a rate between 50 and 70 beats/min.
B) slow, narrow QRS complex rhythm with irregular P-P intervals.
C) slow, wide QRS complex rhythm with inconsistent PR intervals.
D) narrow QRS complex rhythm with a rate less than 60 beats/min.
Answer: C) slow, wide QRS complex rhythm with inconsistent PR intervals.
You might also like to view...
Ventilator-associated pneumonia (VAP) has been successfully treated with 1. cephalosporins. 2. gentamicin. 3. tobramycin. 4. quinolones. 5. penicillin
a. 1 and 4 only b. 1 and 5 only c. 2 and 3 only d. 2, 3, and 5 only
The health care practitioner who comes to the aid of an accident victim at the scene may not be held liable under which type of defense?
A. Assumption of risk B. Contributory negligence C. Emergency D. Tortfeasor release E. Denial