Heart and brain circulation and CO2 in healthy men.

AIM To compare blood flow response to arterial carbon dioxide tension change in the heart and brain of normal elderly men. METHODS Thirteen healthy elderly male volunteers were studied. Hypercapnea was induced by carbon dioxide inhalation and hypocapnea was induced by hyperventilation. Myocardial blood flow [mL min(-1) x (100 g of perfusable tissue)(-1… CONTINUE READING