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…
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…
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….
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…
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…
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,…
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…
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…
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…
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….
