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Case: Rollie Hendrix is a 35-year-old husband and father of three children. Over the past six...

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Medical Sciences

Case: Rollie Hendrix is a 35-year-old husband and father ofthree children. Over the past six months he has experiencedheadaches and palpitations of increasing frequency and severity. Inaddition, he has periods of intense anxiety and panic attacks. Hiswife Arlene has noticed that Rollie’s face is often pale and thathe sweats more. Upon examination by his physician, Rollie was foundto be severely hypertensive and in atrial fibrillation. Rollie’sphysician suspected that he might have a Pheochromocytoma andordered a battery of tests, which confirmed his diagnosis.

What is a Pheochromocytoma? Explain the cardiovascular effectsof epinephrine and norepinephrine when they bind to adrenergicreceptor types. Why are patients with a pheochromocytoma oftenhyperglycemic, sweat excessively, and be constipated? How shouldRollie be treated (Do not put the obvious answer to removetumor)?

Answer & Explanation Solved by verified expert
4.1 Ratings (539 Votes)
Pheochromocytoma are Catecholamine Epinephrine nor epinephrine screting neural crest cells tumour arising from 1 Adrenal glands Adrenal Pheochromocytoma 2 Sympathetic Parasympathetic ganglia Extraadrenal Pheochromocytoma Paraganglioma Adrenal Pheochromocytoma 75 secrete Epinephrine Norepinephrine rarely Dopamine Extraadrenal Pheochromocytoma Paraganglioma Exclusively Norepinephrine Effects of Epinephrine and Nor epinephrine on Heart Heart have beta 1 receptor Activation of beta 1 adrenergic    See Answer
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