Which of the following would have a negative impact on cardiac contractility?
I.acidosis
II.digitalis
III.hypoxia
IV.norepinephrine

Question

Quizplus · Accepted Answer

Acidosis and hypoxia negatively impact cardiac contractility by interfering with the heart muscle's ability to contract effectively. Digitalis increases contractility, and norepinephrine also increases contractility through its action on adrenergic receptors.

Which of the Following Would Have a Negative Impact on Cardiac