Pheochromocytoma physical examination: Difference between revisions
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A pheochromocytoma can also cause resistant [[arterial hypertension]]. A pheochromocytoma can be fatal if it causes [[malignant hypertension]], or severely [[high blood pressure]]. This hypertension is not well controlled with standard blood pressure medications. | A pheochromocytoma can also cause resistant [[arterial hypertension]]. A pheochromocytoma can be fatal if it causes [[malignant hypertension]], or severely [[high blood pressure]]. This hypertension is not well controlled with standard blood pressure medications. | ||
==References== | ==References== | ||
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[[Category:Endocrinology]] | [[Category:Endocrinology]] | ||
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Revision as of 15:11, 27 August 2015
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Physical Examination
- Elevated heart rate
- Elevated blood pressure, including paroxysmal (sporadic, episodic) high blood pressure, which sometimes can be more difficult to detect; another clue to the presence of pheochromocytoma is orthostatic hypotension (a fall in systolic blood pressuregreater than 20 mmHg or a fall in diastolic blood pressure greater than 10 mmHg on making the patient stand)
- Elevated blood glucose level (due primarily to catecholamine stimulation of lipolysis (breakdown of stored fat) leading to high levels of free fatty acids and the subsequent inhibition of glucose uptake by muscle cells. Further, stimulation of beta-adrenergic receptors leads to glycogenolysis and gluconeogenesis and thus elevation of blood glucose levels).
A pheochromocytoma can also cause resistant arterial hypertension. A pheochromocytoma can be fatal if it causes malignant hypertension, or severely high blood pressure. This hypertension is not well controlled with standard blood pressure medications.