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CHRONIC ADRENOCORTICAL INSUFFICIENCY Essentials of Diagnosis Weakness, easy fatigability, anorexia, weight loss; nausea and vomiting, diarrhea; abdominal pain; muscle and joint pains; amenorrhea. Sparse axillary hair; increased skin pigmentation, especially of creases, pressure areas, and nipples. Hypotension, small heart. Serum sodium may be low; potassium, calcium, and urea nitrogen may be elevated; neutropenia, mild anemia, eosinophilia, and relative lymphocytosis may be present. Plasma cortisol levels are low or fail to rise after administration of corticotropin. Plasma ACTH level elevated. CUSHING¡¯S SYNDROME Essentials of Diagnosis Central obesity, muscle wasting, thin skin, eary bruisability, psychologic clanges, hirsutism, purple striae. Osteoporosis, hypertension, poor wound healing. Hyperglycemia, glycosuria, leukocytosis, lymphocytopenia, hypokalemia. Elevated serum cortisol and urinary free cortisol. Lack of normal suppression by dexamethasone. Attacks of nausea, abdominal pain, chest pain, weakness, dyspnea, tremor, visual disturbance. Anxiety, tremor, weight loss, or heat intolerance. Elevated urinary catecholamines or their metabolites. Normal serum T4 and TSH. 2¡¢ÆäËûÏÂÇðÄÔ¡¢´¹Ìå¡¢ÉöÉÏÏÙÆ¤Öʼ²²¡ ÏÂÇðÄÔ¹¦ÄܼõÍËʱ£¬ÑªCRH¡¢ACTH¡¢N-POMC½µµÍ£»´¹ÌåǰҶ¹¦ÄܼõÍË֢ʱµÄѪCRHÔö¼Ó£¬ACTH¡¢N-POMC½µµÍ£¬ÇÒ±ÈÆäËû´¹ÌåǰҶ¼¤ËØÏ½µ³öÏÖµÃÍí£»Nelson×ÛºÏÕ÷µÄѪCRH½µµÍ£¬ACTH¡¢N-POMCÔö¼Ó£»Ô·¢ÐÔÉöÉÏÏÙÆ¤Öʹ¦ÄܼõÍË֢ʱÈýÕß½ÔÃ÷ÏÔÔö¼Ó£»Ä³Ð©ÏÈÌìÐÔÉöÉÏÏÙÔöÉú֢ʱÈýÕß½ÔÔö¼Ó¡£ Ѫ½¬ÉöËØ»îÐÔ ´Ë·½·¨ÊDzⶨѪ½¬ÉöËØµÄø»îÐÔ¶ø·ÇѪ½¬ÉöËØº¬Á¿¡£½«ÐÂÏÊѪ½¬ÔÚÌåÍâ30¡æÌõ¼þÏ·õÓý30min£¬ºóÓÃRIA²â¶¨Ñª¹Ü½ôÕÅËØIº¬Á¿¡£Ò»°ãÔÚ30minÄÚ£¬Ñª½¬ÉöËØ»îÐÔÓëѪ¹Ü½ôÕÅËØIº¬Á¿³ÊÖ±ÏßÏà¹Ø£¬¹Ê²â¶¨Ñª¹Ü½ôÕÅËØI¿É·´Ó³Ñª½¬ÉöËØ»îÐÔ¡£ Õý³£Öµ£ºÑª½¬ÉöËØ»îÐÔ¶àÔÚ0.77¡«4.6nmol/L•h(1¡«6ng/ml • h)Ö®¼ä£¬µ«Ó¦¸ù¾ÝÉãÑÎÁ¿ºÍÌåλÅж¨½á¹û¡£ ÁÙ´²ÒâÒ壺һ°ã¼Ì·¢ÐÔÉöÉÏÏÙÆ¤Öʹ¦ÄܼõÍËÖ¢µÄѪ½¬ÉöËØ»îÐÔÕý³££»¶øÔ·¢ÐÔÉöÉÏÏÙÆ¤Öʹ¦ÄܼõÍËÖ¢ÔòÔö¼Ó£»¸ù¾ÝƤÖÊ´¼Ôö¶àµÄ³Ì¶ÈºÍÑÎÆ¤Öʼ¤ËØË®Æ½µÄ²»Í¬£¬¿âÐÀ×ÛºÏÕ÷¿ÉÕý³£»ò½µµÍ£»Ê§ÑÎÐÔP450c21ȱ·¦Ö¢Ñª½¬ÉöËØ»îÐÔÔö¼Ó£¬¶ø°éÓÐѪѹÔö¸ßµÄP450c11»òP450c17ȱ·¦Ö¢Ôò½µµÍ£»ÈÑÉïºÍÔ¾ÖÜÆÚµÄ»ÆÌåÆÚѪ½¬ÉöËØ»îÐÔÔö¼Ó£¬Õâ¿ÉÄÜÓëÔÐͪÓÐÑÎÆ¤Öʼ¤ËØÞ׿¹»îÐÔÓйأ» ÆäËû°éÓÐѪ½¬ÉöËØ»îÐÔÔö¼ÓµÄÇé¿öÓУºÔ·¢ÐÔ¸ßѪѹµÄ¸ßÉöËØÐÍ¡¢Éö¶¯ÂöÏÁÕÐÔ¸ßѪѹ¡¢Bartter×ÛºÏÕ÷¡¢ÉöËØÁö¡¢Éö²¡×ÛºÏÕ÷¡¢¸ÎÓ²»¯¸¹Ë®¡¢³äѪÐÔÐÄÁ¦Ë¥½ß¡¢ÌØ·¢ÐÔË®Ö׺ÍijЩҩÎïÈç´Æ¼¤ËØ¡¢ÀûÄò¼ÁºÍ³¤Ñ¹¶¨¡¢ÏõÆÕÄÆ¡¢ë±½ßÕີȽµÑ¹Ò©£»¶øÔÚÏÂÊöÇé¿öÏÂѪ½¬ÉöËØ»îÐÔ½µµÍ£»ÈçÔ·¢ÐÔ¸ßѪѹµÄµÍÉöËØÐÍ¡¢Liddle×ÛºÏÕ÷ºÍÐĵ𲡢¼×»ù¶à°Í¡¢ÀûѪƽ¡¢¸Ê²ÝµÈÒ©Îï¡£ ³£ÓÃÌÇÆ¤Öʼ¤ËØÀàÖÆ¼ÁµÄ×÷Óà ҩ Ãû µÈЧÁ¿ ¿¹Ñ× ÖÍÄÆ ÒÖ ÖÆ Ѫ½¬°ëÊÙ (mg) Ç¿¶È* Ç¿¶È ACTH(h) ÆÚ(min) ¶ÌЧÀà ´×Ëá¿ÉµÄËÉ 25 0.8 ++ <12(8~12) 30 Ç⻯¿ÉµÄËÉ 20 1.0 ++ <12(8~12) 80~115 çúçêËáÄÆÇâ¿ÉµÄËÉ 25 0.8 ++ <12(8~12) ´×ËáÇ⻯¿ÉµÄËÉ»ìÐüÒº 25 0.8 ++ ÖÐЧÀà ÆÃÄáËÉ 5 4 + 24~36 60 ÆÃÄáËÉÁú 5 4 + 24~36 115~250 ¼×»ùÆÃÄáËÉÁú 4 5 0 24~36 78~200 ·úôÇÆÃÄáËÉÁú 4 5 0 24~36 150~200 ³¤Ð§Àà µØÈûÃ×ËÉ 0.75 30 0 >48(36~54) 110~210 ±¶ËûÃ×ËÉ 0.6 25 0 >48(36~54) 300 PRIMARY HYPERALDOSTERONISM Essentials of Diagnosis Hypertension, polyuria, polydipsia, muscular weakness. Hypokalemia, alkalosis. Elevated plasma and urine aldosterone levels and low plasma renin level. 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Hypertension, frequently sustained but often paroxysmal, especially during surgery or delivery. Attacks of nausea, abdominal pain, chest pain, weakness, dyspnea, tremor, visual disturbance. Anxiety, tremor, weight loss, or heat intolerance. Elevated urinary catecholamines or their metabolites. Normal serum T4 and TSH. 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