MEDICAL PHYSIOLOGY

PHYSIOLOGY

CARDIOVASCULAR PHYSIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In healthy people, caffeine, nicotine, or stress can cause ____
A
erythrocytisis
B
anemia
C
a heart block
D
a premature contraction
Explanation: 

Detailed explanation-1: -In the vast majority of cases, PVCs have no known cause and occur spontaneously. Common known etiologies include excess caffeine consumption, excess catecholamines, [4] high levels of anxiety, and electrolyte abnormalities.

Detailed explanation-2: -Modify your substance use. Caffeine, alcohol, tobacco and stimulant drugs are known triggers of premature ventricular contractions. Reducing or avoiding such items may reduce PVC symptoms.

Detailed explanation-3: -Premature atrial contractions (PACs) are extra heartbeats that begin in one of your heart’s two upper chambers (atria). These extra beats disrupt your regular heart rhythm.

There is 1 question to complete.