A patient's dysrhythmia originates from above the ventricles and you notice QRS complexes on the ECG tracing measuring 0.12 second or greater. What could be the cause of this abnormal morphology?

A. Atrial fibrillation
B. Third-degree AV block
C. Supraventricular tachycardia
D. Bundle branch block


Answer: D

Health Professions

You might also like to view...

Punitive damages are ________.

A. monetary penalties incurred for damages B. collected only in cases of malpractice C. meant to punish an individual's behavior D. the same as compensatory damages

Health Professions

Which of the following BEST describes an avulsion?

A) Accumulation of blood beneath the skin, resulting in swelling B) Epidermis that is scraped away by a rough surface C) Flap of skin that is partially or completely torn away from the underlying tissue D) An injury caused by a sharp, pointed object

Health Professions

All new patients receive the medical office's Notice of Privacy Practices (NPP) on their first encounter and ________ thereafter.

A. weekly B. monthly C. annually D. quarterly

Health Professions

When a person hyperventilates, the level of carbon dioxide in the person's blood ____.  

A.  increases B.  decreases C.  increases only during inhalation D.  increases only during exhalation E.  does not change

Health Professions