How does an Angina Attack start?
Hey , Angina is usually due to an arteriosclerotic heart disease, but in rare instances it may occur in the absence of a significant disease of the coronary arteries as a result of coronary spasm, stenosis or insufficiency, syphilitic aortitis, increased metabolic demands as in hyperthyroidism or after thyroid therapy, marked anemia or paroxysmal tachycardias with rapid ventricular rates.
