clonidine, 246 enalaprilat, 245 esmolol, 245 fenoldopam, 245 hydralazine, 245 isradipine, 246 labetalol, 243 –244 nicardipine, 244 –245 nifedipine, 246 phentolamine, 245 sodium nitroprusside, 245 stages, 240 Hypertensive emergency, 240 Hypertensive encephalopathy, 120 Hypertensive urgency, 240 Hyperthermia, 120 , 124 Hyperthyroidism, 345 , 560 Hypertonic dehydration, 149 Hypertonic solutions, 57 Hypertrophic cardiomyopathy, 368 Hypertrophic obstructive cardiomyopathy (HOCM), 519 , 522 Hypertrophic pyloric stenosis (HPS), 552 Hypertrophic scar, 1354 , 1355 f Hypertrophied breast tissue, 111 Hypertropia/hypotropia emergencies, 180 –181 Hypervitaminosis D, 130 Hyphema, 189 , 1270 –1271 , 1271 f clinical recognition, 1271 evidences, 1271 management, 1271 treatment goals, 1271 triage considerations, 1271 Hypoadrenalism, 560 Hypoalbuminemia, 162 Hypocalcemia, 80 , 560 Hypochloremia, 560 Hypochromic anemia, 419