1. high blood pressure; hypertension
Wikipedia definition
2. HypertensionHypertension (HTN) or high blood pressure, sometimes called arterial hypertension, is a chronic medical condition in which the blood pressure in the arteries is elevated. This requires the heart to work harder than normal to circulate blood through the blood vessels. Blood pressure involves two measurements, systolic and diastolic, which depend on whether the heart muscle is contracting (systole) or relaxed between beats (diastole).
Read “Hypertension” on English Wikipedia
Read “高血圧” on Japanese Wikipedia
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