Hypeension is associated with all of the following except: March 2010
Correct Answer: Excess exercise
Description: Ans. B: Excess exercise Modifiable risk factors: - Obesity - Excess salt intake Saturated fat in the diet - Environmental stress - Reduced physical activity Renovascular hypeension: It has two main causes: fibromuscular dysplasia and atheromatous stenosis. Hypeension secondary to other renal disorders: - Chronic renal failure - Kidney disease/renal aery stenosis: the normal physiological response to low blood pressure in the renal aeries is to increase cardiac output (CO) to maintain the pressure needed for glomerular filtration. - Renal segmental hypoplasia Hypeension secondary to endocrine disorders - Pheochromocytoma - caused by an excessive secretion of norepinephrine and epinephrine which promotes vasoconstriction - Hyperaldosteronism (Conn's syndrome) - Cushing's syndrome - an excessive secretion of glucocoicoids causes the hypeension Hyperparathyroidism - Acromegaly - Hypehyroidism -- Hypothyroidism Other causes: - Hormonal contraceptives - Atherosclerosis Liquorice (when consumed in excessive amounts) - Scieroderma - Neurofibromatosis - Drugs: In paicular, alcohol, nasal decongestants with adrenergic effects, NSAIDs, MAOIs, adrenoceptor stimulants, and combined methods of hormonal contraception (those containing ethinyl-estradiol) can cause hypeension while in use. - Malformed aoa, slow pulse, ischemia: these cause reduced blood flow to the renal aeries, with physiological responses as already outlined. - Coarcation of the aoa
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