Q. Is a heart rate of 224 beats per minute abnormal when someone faints?

Answered by
Dr. Shubadeep Debabrata Sinha
and medically reviewed by iCliniq medical review team.
This is a premium question & answer published on Aug 18, 2022

Hello doctor,

I have a friend who said they fainted for 30 minutes while they were working out and woke up not remembering what had happened. Once they had woken up, they realized they had a severe headache. They decided to check their heartbeat for the timespan of when they had passed out, and it had gone up to 224 beats per minute. Is it something to be worried about?



Welcome to

Tachycardia is increased heartbeats beyond normal (72 to 90 beats per minute). 224 beats per minute is way beyond the normal limit and probably denotes a heart condition that might be related to rhythm disturbances (arrhythmias) in the heart. For this purpose, you must get a complete cardiac check-up at a nearby cardiac center. Such abnormalities at extremes of age are even more worrisome. Such elevated heartbeats can also occur in isolated conditions such as diabetes mellitus, hypertension, and certain other cardiovascular complications.

Please perform the following investigations at a laboratory:

1. ECG (electrocardiogram)- Static and Holter.

2. TMT (treadmill test).

3. 2D or 3D Echocardiography.

4. Blood test-

a) CPK-MB (Creatinine Phosphokinase-MB) enzyme levels.

b) Lipid profile.

c) Renal function test.

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