Heart rhythm definition?

Question

Hello

I would like to know the medical terminology for palpitations which are not due to arrythmias or tachycardia of any form, but simply due to excessive cardiac contraction force

Answer 1

"inotropy" describes the amount of force the heart generates with each heart beat.

so i guess you could say "increased inotropic force" or "overactive inotropy" or something like that. i don't know of any medically diagnostic term for what you've described.

Answer 2

It partly depends on the cause. In general, it's called positive inotropy, or increased myocardial contractility. I don't know the name of a chronic condition where the heart beats hard and not fast. Cardiac glycosides like digoxin (digitalis) are postive inotropes; they increase contractility while slowing the heart rate. A premature ventricular contraction (PVC) can also cause it, because the ventricles have more time to fill between the PVC and the next beat. The myocardial fibers stretch, and the heart contracts with more force. That's the weird sensation you feel when your heart "skips a beat" and then beats harder afterwards. Look up Starling's Law of the Heart for more detail.

Answer 3

Heart Rhythm Definition

Answer 4

Sinus tachycardia is a heart rate above 120 that originates in the sinus node and propagates normally (not abberantly). It is usually caused by endogenously release epinephrine or noepinephrine. As in fight/flight response or when exercising.

Drugs such as amphetamines and cocaine also can cause sinus tachycardia.