48. Thyroid Disease

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Hyperthyroidism (thyrotoxicosis), 242.90 Hypothyroidism (myxedema coma), 244.9 Thyroid storm (thyrotoxic crisis), 242.91 HYPERTHYROIDISM (THYROTOXICOSIS) I. Definition A condition of excess secretion of thyroxine (T4) and triiodothyronine (T3) resulting from a…

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46. Diabetes Mellitus

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Diabetes mellitus, 250.00 Type 1 diabetes mellitus, 250.01 Type 2 diabetes mellitus, 250.02 DIABETES MELLITUS: OVERVIEW OF PRINCIPLES I. Definition A. A group of metabolic diseases resulting from a breakdown…

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45. Nephrolithiasis

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Renal calculi—nephrolithiasis, 592.0 RENAL CALCULI—NEPHROLITHIASIS I. Definition A. Condition in which one or more stones are present in the pelvis or calyces of the kidney or in the ureter B….

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44. Renal Artery Stenosis

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Renal artery stenosis, 440.1 I. Definition A. Sometimes referred to as ischemic nephropathy; defined as narrowing of the renal arteries B. Progressive disease in which vascular supply is interrupted and…

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43. Benign Prostatic Hyperplasia

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Benign prostatic hypertrophy, 600.00 I. Definition A. Enlargement of the prostate gland; a condition commonly seen in men older than age 50 B. Progressive condition that can cause obstruction of…

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41. Urinary Tract Infections

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Urinary tract infection, 599.0 I. Definition Presence of microorganisms in the urine that have the potential to invade tissues of the urinary tract and adjacent structures, such as the bladder,…

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39. Anatomic Intestinal Disorders

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Mesenteric ischemia, 557.9 Small-Bowel Obstruction, 560.9 SMALL-BOWEL OBSTRUCTION I. Definition A. Blockage of the lumen of the intestine that prevents normal functioning and results in distention and tremendous losses of…

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40. Gastrointestinal Bleeding

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Esophageal varices, 456.1 Lower gastrointestinal bleeding, 578.9 Upper gastrointestinal bleeding, 578.9 ESOPHAGEAL VARICES I. Definition A. Dilated submucosal veins that may develop in patients with underlying portal hypertension that can…

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15. Heart Failure

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Heart failure, 428.9 I. Definition/general comments. A. Heart failure (HF) is a syndrome, rather than a disease, caused by a variety of pathophysiologic processes in which the heart is unable…

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37. Biliary Dysfunction

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Acute pancreatitis, 577.0 Cholecystitis, 575.10 CHOLECYSTITIS I. Definition Inflammation of the gallbladder, acute or chronic, associated with gallstones (cholelithiasis) in more than 90% of cases II. Etiology/contributing factors/risk factors A….

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