Which of the following are possible causes of sinus tachycardia?
A) Hypothermia, hypovolemia
B) Hypoxia, calcium channel blocker overdose
C) Fever, pain, anxiety
D) Vomiting, vagal maneuvers

Question

Quizplus · Accepted Answer

Causes of sinus tachycardia include acute myocardial infarction; caffeine-containing beverages; dehydration, hypovolemia; drugs such as cocaine, amphetamines, ecstasy, cannabis; exercise; fear and anxiety; fever; heart failure; hyperthyroidism; hypoxia; infection; medications such as epinephrine, atropine, and dopamine; nicotine; pain; pulmonary embolism; shock; sympathetic stimulation, hypothermia, hypovolemia can cause heart rate to drop. Although hypoxia can cause the heart rate to increase, a calcium channel blocker overdose would make the heart rate drop, vomiting and vagal maneuvers can make heart rate block down.

Which of the Following Are Possible Causes of Sinus Tachycardia