Syndrome of inappropriate antidiuretic hormone, 253.6 I. Definition/etiology A. A grouping of symptoms that result from secretion of antidiuretic hormone (ADH) independent of volume-dependent stimulation or osmolality B. ADH is…
Adrenal crisis (acute adrenal insufficiency), 255.4 I. Definition A condition characterized by a deficiency of cortisol, androgens, and aldosterone as the result of destruction of the adrenal cortices II. Incidence/predisposing…
Pheochromocytoma, 194.0 I. Definition/general comments A. A rare but serious condition 1. Results from excessive catecholamine release (norepinephrine and epinephrine), usually from an adrenal medullary tumor 2. Characterized by paroxysmal…
Cushing’s syndrome, 255.0 I. Definition/general comments A. Group of symptoms resulting from hypercortisolism due to numerous causes B. Excess adrenocorticotropic hormone (ACTH) secretion by the pituitary accounts for 90% of…
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,…
