Garlic, beetroot, and dark chocolate contain nutrients that help improve blood circulation, balance blood pressure, and prevent heart disease.

Mr. Tu, 65, suddenly experienced severe chest pain and profuse sweating, and was diagnosed with acute myocardial infarction upon hospital admission.

After three months of persistent headaches, chest tightness, and coughing, 34-year-old Vi was diagnosed with a large mediastinal tumor compressing her trachea and other chest organs.

I regularly eat guava. Can this fruit help manage cholesterol, and how should I eat it? (Thanh Hoa, Dong Nai)

Cardiovascular disease is the leading cause of death in Vietnam, affecting an estimated one in 4 adults, with a growing trend among younger people.

A 70-year-old woman, Mrs. Mui, experienced severe headaches and dizziness after two weeks off her blood pressure medication, leading to a diagnosis of bilateral brain hemorrhage.

Tu, 35, had mitral valve regurgitation for 10 years. For the past two months, he has had a fever, and doctors diagnosed infective endocarditis causing severe valve leakage.

A 58-year-old man, Mr. Hung, experienced a re-blockage of his coronary artery 3 months after stent placement due to a CYP2C19 gene variant that makes him resistant to a common antiplatelet medication.

A 75-year-old woman with a long-standing heart condition experienced dizziness and lightheadedness due to a sudden drop in heart rate after self-medicating with an old prescription.

I have had high blood pressure for many years and take medication regularly. Recently, I've experienced chest tightness and shortness of breath when climbing stairs, which subsides with rest. Is this a sign of coronary artery disease? (Nguyen Van Tien, 57, Quang Ninh)

Fleeting chest pain lasting a few seconds, accompanied by stress, is usually harmless. Pain lasting more than 30 minutes and spreading to other areas may signal danger.

Sclerotherapy is used for people with mild to moderate varicose veins. It doesn't require anesthesia, causes minimal pain, and leaves no scars.

For the past two years, I've gained weight rapidly. My BMI is 33.4 kg/m2, class two obesity, and I'm at risk of heart failure. Does obesity increase the risk of heart failure, and how is it treated? (The Ha, Tay Ninh)

A 96-year-old woman, My, with atrial fibrillation, hypertension, diabetes, and chronic kidney disease, was diagnosed with heart failure despite normal ejection fraction after undergoing several tests.