LVOTO并不罕见，约20%的脓毒症患者存在不同程度的动态梗阻，其死亡率高达53%。作为一种由左心室流出道血流受阻引发的严重临床症状，LVOTO的发病机制清晰：前负荷↓ + 后负荷↓ + 心肌收缩↑ + 心动过速 → 血流在左室流出道“自我钳夹”。老龄化背景下，高血压所致室间隔肥厚、左室腔缩小成为解剖学“火药桶”，一旦容量不足或正性肌力药物过量，梗阻即刻触发恶性循环。

A ventricular resection is a type of surgery that removes scar tissue or a tumor from a heart chamber to restore function. Often, a reconstruction or repair procedure follows this. The heart has four ...

Because life expectancy and the prevalence of risk factors such as hypertension, obesity and diabetes are rising globally, heart failure (HF) is growing into a major health problem. Impairment of left ...

Double inlet left ventricle (DILV) is a serious congenital heart disease that occurs in approximately 5 to 10 of every 100 000 births. It results in the presence of a single pumping chamber, which is ...

"HCM is a heart muscle disease associated with a significant symptom burden. This approval of a new drug, Myqorzo, represents ...

Although premature ventricular beats (PVBs) in young people and athletes are usually benign, they may rarely mark underlying heart disease and risk of sudden cardiac death during sport. This review ...

Left atrial enlargement (LAE) is when the left side of the heart enlarges or swells, leading to breathlessness, fatigue, and other symptoms. It often affects people with high blood pressure and heart ...