An ECG rhythm strip shows a regular ventricular rhythm at a rate of 30, more P waves than QRS complexes (the P waves occur regularly), a variable PR interval, and a QRS duration of 0.14 sec. This rhythm is:
a. Second-degree AV block type I.
b. Second-degree AV block type II.
c. 2:1 AV block.
d. Third-degree AV block.
Answer: d. Third-degree AV block.
Health Professions
You might also like to view...
Which of the following chromosomal aberrations is associated with Burkitt lymphoma?
a. t(9;22)(q34;q11.2) b. 5q- deletion c. t(8;22)(q24.1;q11.2) d. 14q11.2 aberration
Health Professions
A 52 year-old post-operative patient's chest radiograph demonstrates infiltrates in the posterior basal segments of the lower lobes. Which of the following is the appropriate postural drainage position?
A. Head down, patient supine with a pillow under knees B. Patient prone with a pillow under head, bed flat C. Patient supine with a pillow under knees, bed flat D. Head down, patient prone with a pillow under hips
Health Professions