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It is not surprising to learn that physical exertion or emotional upset may trigger heart attacks, especially in seniors.
As we get older, our vascular trees get stiffer as a result of aging and arteriosclerosis,
resulting in increased vascular resistance,
so that any emotional upset that increases the release of epinephrine and norepinephrine
and cardiac output(stroke volume times heart rate)
will spike the blood pressure (BP equals cardiac output times vascular resistance)
creating the trigger for heart attacks and strokes.
Spiking systolic pressure may disrupt the atherosclerotic plaques,
which in turn may cause emboli or initiate thrombosis.
Unfortunately seniors' emotional reserve decreases as they age
so that they get upset more readily.
Their emotional tolerance is diminished becoming "cantankerous old men."
In short, if they are not careful, they, including me, become their own enemies.