4 doctors weighed in:
Why does epinephrine increase heart rate?
4 doctors weighed in

Dr. Quang Nguyen
Internal Medicine - Endocrinology
2 doctors agree
In brief: Binding receptors
Do you mean how does it increase heart rate? The mechanism of action is quite complicated but in simple term, it binds to the beta adrenergic receptors on the heart leading to changes in calcium level and increases in the firing rate of the pacemaker cells.

In brief: Binding receptors
Do you mean how does it increase heart rate? The mechanism of action is quite complicated but in simple term, it binds to the beta adrenergic receptors on the heart leading to changes in calcium level and increases in the firing rate of the pacemaker cells.
Dr. Quang Nguyen
Dr. Quang Nguyen
Thank
Dr. Mircea Petrina
Internal Medicine - Cardiology
In brief: It is normal
It does it naturally by direct heart stimulation.

In brief: It is normal
It does it naturally by direct heart stimulation.
Dr. Mircea Petrina
Dr. Mircea Petrina
Thank
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