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Alpha 1 blockers inhibit vasoconstriction normally initiated by the baroreceptor reflex upon postural change and the subsequent drop in pressure. [26] Other antihypertensive medications may also cause orthostatic hypotension, in addition to anticholinergics , dopaminergic drugs, opiates and psychoactive medications .
The decrease in vasocongestion in post-menopausal women may require some women to use artificial sexual lubricant to avoid pain during sexual intercourse. If there is pain however, sexual drive is typically diminished or absent. Other forms of vasocongestion during human sexual activity include sex flush and the swelling of nipples in both men ...
The ability of baroreflex activation therapy to reduce sympathetic nerve activity suggests a potential in the treatment of chronic heart failure, because in this condition there is often intense sympathetic activation and patients with such sympathetic activation show a markedly increased risk of fatal arrhythmias and death. [citation needed]
Diving reflex in a human baby. The diving reflex, also known as the diving response and mammalian diving reflex, is a set of physiological responses to immersion that overrides the basic homeostatic reflexes, and is found in all air-breathing vertebrates studied to date.
Vasoconstriction is the narrowing of the blood vessels resulting from contraction of the muscular wall of the vessels, in particular the large arteries and small arterioles. The process is the opposite of vasodilation , the widening of blood vessels.
Cushing reflex (also referred to as the vasopressor response, the Cushing effect, the Cushing reaction, the Cushing phenomenon, the Cushing response, or Cushing's Law) is a physiological nervous system response to increased intracranial pressure (ICP) that results in Cushing's triad of increased blood pressure, irregular breathing, and bradycardia. [1]
The best ways to reduce high blood pressure—and your risk for its consequences like heart attacks and stroke—is to eat a healthy, low-sodium diet, get regular exercise, and drink alcohol only ...
Additionally, M 2 receptors reduce the contractile forces of the atrial cardiac muscle and reduce the conduction velocity of the atrioventricular node (AV node). However, M 2 receptors have no effect on the contractile forces of the ventricular muscle. [1] Stimuli causing reflex bradycardia include: Oculocardiac reflex [1]
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