A patient taking a beta blocker complains of shortness of breath. The patient has respirations of 28 breaths per minute,a blood pressure of 162/90 mm Hg,and a pulse of 88 beats per minute. The nurse auscultates crackles in all lung fields. The nurse understands that these assessments are consistent with:

Question

Quizplus · Accepted Answer

The signs and symptoms describe left-sided heart failure,in which the blood normally handled by the left ventricle and forced out through the aorta into the body backs up into the lungs,producing respiratory signs and symptoms. The patient's signs and symptoms are not indicative of bronchoconstriction,which would cause wheezing and diminished breath sounds. Rebound cardiac excitation occurs when the beta blocker is withdrawn,not during administration of the drug. The patient's heart rate is elevated,so sinus bradycardia is not present.

A Patient Taking a Beta Blocker Complains of Shortness of Breath