India, April 8 -- The heart is a complex organ, and any sudden changes can indicate that something is not right. Many people monitor their beats per minute, but there is a threshold to be aware of, beyond which it may indicate an underlying dangerous condition, both the upper and lower limits. For the lower limit, a heart rate that consistently falls below 60 beats per minute may require attention. It must be dealt with seriously.In a conversation with HT Lifestyle, we asked Dr Nityanand Tripathi, principal director and HOD- cardiology and electrophysiology at Fortis Hospital, Delhi.

Describing which condition this is, he said, "A slow heart rate, often known as bradycardia, is defined as fewer than 60 beats per minute." But bradycardia,...