Which of the following is a characteristic of sinus bradycardia?

A. The heart rate is less than 60 beats per minute.
B. The shape of the P waves varies from one beat to the next.
C. The PR interval is between 0.06 and 0.10 second.
D. The QRS duration is between 0.10 and 0.16 second.


Answer: A

Health Professions

You might also like to view...

Neurotransmitters are released due to influx of:

a. Ca+2 ions into axon terminals b. Ca+2 ions into dendrites c. Na+ ions into postsynaptic cells d. K+ ions into presynaptic cells

Health Professions

When assessing a patient, you might suspect a splenic problem if the patient is complaining of left upper quadrant pain, which may radiate to the:

A) left shoulder. B) right shoulder. C) sternum. D) neck.

Health Professions

_____ is given to an infant between one to two months of age

PCV Hib DTaP Hep B

Health Professions

OIG continues to watch this modifier closely for abuse

Health Professions