asymmetric septal hypertrophy


Also found in: Acronyms.

asymmetric septal hypertrophy (ASH),

abnormal enlargement, congenital or acquired, of the left ventricular side of the septum under the aortic valve causing outflow obstruction and abnormal movement of the mitral valve.
See also: systolic anterior motion.
References in periodicals archive ?
Methods: Overall, 101 patients with asymmetric septal hypertrophy (59 men, mean age 45 [+ or -] 16 years, range 13-74 years) were included in the study and were followed up for 595 [+ or -] 367 days for clinical endpoints defined as cardiac death and hospitalization due to worsening in heart failure symptoms.
M/F, n 16/14 Mean (range) age at diagnosis, years 46 (18-60) Left ventricular wall thickness, n 13-16 mm 5 (16%) 17-19 mm 7 (23%) >19 mm 18 (61%) Concentric hypertrophy, n 11 Asymmetric septal hypertrophy, n 19 HC with gradient (range, 16-130 mmHg), n 16 Family history of HC, n 16 (54%) Mean (range) age, years 44 (24-60) No family history of HC, n 14 (46%) Mean (range) age, years 37 (20-56) No family history of HC and/or SCD, n 5 (13%) Table 2.

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