Blood becomes thicker and stickier, making it harder to pump around the body, so your heart rate increases to compensate.

血液变得越来越粘稠，使得很难被泵到全身，所以你的心率会加快译作补偿。

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Hypertrophic cardiomyopathy (HCM). This is a disease in which the heart muscle (myocardium) becomes abnormally thick, making it harder for the heart to pump blood.

肥厚性心肌病(HCM)：患了此病，病人心脏的肌肉(心肌)会变得异常肥厚而无法向心脏输血。

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Hypertrophic cardiomyopathy (HCM). This is a disease in which the heart muscle (myocardium) becomes abnormally thick, making it harder for the heart to pump blood.

肥厚性心肌病(HCM)：患了此病，病人心脏的肌肉(心肌)会变得异常肥厚而无法向心脏输血。

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