hypertrophic cardiomyopathy部分知识点

岛民A

HCM, or HOCM when obstructive

Murmur:

harsh systolic murmur

best heard

at the apex and left lower sternalborder

（can be crescendo-decrescendo, but it isusually most prominent at the lower left sternal border and typically doesnot radiate to the carotids.）

-------------

Physical examination may reveal acarotid pulse with a double upstroke caused by midsystolic obstructionduring heart contraction.

https://www.wikidoc.org/index.php/Pulsus_bisferiens

------------------------------------------

Unlike HCM, hypertrophy caused byhypertension or other cardiovascular diseases (e.g., valvular, ischemic) is nolonger classified as a form of cardiomyopathy.

-------------------

HCM in infants of diabetic mothers oftenshows spontaneous regression by the age of 1. Treatment is typically onlyrequired for a few weeks, as insulin levels quickly normalize after birth. Thisnormalization leads to a reduction in septal thickening, resulting in theself-resolution of HCM.

----------------------

HCM is the leading cause of sudden death inyoung individuals who are otherwise healthy.？

----------

Exertional syncope

Aortic stenosis or HCM

（来自网络，侵删