U.S. doctors online nowAsk doctors free
A 32-year-old member asked:

Can the four chambers of the heart contract simultaneously or at different times?

1 doctor answer1 doctor weighed in
Dr. Bennett Werner
Cardiology 45 years experience
2 + 2: The 2 atria contract simultaneously. The 2 ventricles contract simultaneously. When the atria contract, the ventricles are resting. When the ventricles contract, the atrial are resting. Get it?

Related questions

A 62-year-old male asked:
1 doctor answer2 doctors weighed in
A 62-year-old male asked:
2 doctor answers4 doctors weighed in
A 34-year-old member asked:
1 doctor answer2 doctors weighed in
A 45-year-old female asked:
1 doctor answer2 doctors weighed in
Last updated Jul 9, 2014
Connect with a U.S. board-certified doctor by text or video anytime, anywhere.
24/7 visits - just $39!
50% off with $15/month membership


Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.