Can chest X-rays dislodge or damage cardiac stents in any way?

I am a 52-year-old man with a family history of heart disease. My doctor says my blood pressure and cholesterol are great. My latest LDL cholesterol was 98 and my HDL was 45. I exercise regularly and I try hard to stick to a Mediterranean-type diet. Is there anything else I should do?

What home blood test is used to monitor warfarin dose? Is it a simple capillary blood clot test? Or a more complicated prothrombin time procedure which calls for equipment and expertise?

If I take blood pressure medicines and don’t really need them, will it damage my heart?

I know that there is a health benefit to eating “healthy fats” like olive oil. But I’ve heard that these are only unsaturated fats when raw; when you cook them, they become saturated fats. Is there any truth to this?

Can coronary bypass surgery cause erectile dysfunction?

I’ve been taking Zocor for the past 10 months. A few weeks after starting it, I had muscle and joint pain in my right leg. I’ve been to specialists, taken different medicines and had X-rays and MRIs — but everyone is at a loss. Could Zocor be the cause?

I have atrial fibrillation. From the results of a transthoracic echocardiogram, my doctor told me my right atrium is moderately dilated; my left severely dilated. What does this mean?

During intercourse, I can’t maintain an erection. I have high blood pressure and take two different blood pressure pills. My blood pressure has been great. I am otherwise in good health and exercise regularly. Do blood pressure medications make it difficult to maintain an erection?

What are the symptoms of a heart attack?

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