Ravindra N Karanam MD

As men age, their risk of heart attack rises, especially if they are prone to anxiety. In a 12-year study, anxiety was found to increase the risk of heart attack by 30% to 40% in men who are anxious when compared to men who are calmer, irrespective of other personality and risk factors. In this...

Atrial fibrillation - also known as AF or a-fib - is a medical condition that affects the rhythm of the heart. Problems that affect the rhythm of the heart cause a condition known as arrhythmia. This condition often causes irregular blood flow. It is quite common, with more than 200,000 cases in the...

Atrial fibrillation (AFib) is a condition that disrupts the heart's functions, specifically the heart rate or rhythm. Symptoms can be intermittent, persistent, or permanent in nature, and in some instances they disappear on their own, while other forms require medication to restore normal heart...

What is sarcoidosis?Sarcoidosis is an inflammatory disease, which is characterized by the growth of granulomas or tiny collections of inflammatory cells in various parts of the body. When the immune system is slowed down and when these numerous clumps form, they tend to interfere with the organ’s...

According to a new study, vitamin E supplementation may not reduce the risk of heart failure in women. This study is the first of its kind, focusing on the effectiveness of vitamin E supplementation in the prevention of heart failure. Vitamin E is an antioxidant that helps to protect the body from...

A new study published in the journal, Hypertension, shows that a child who is overweight is at risk of high blood pressure, three times more than an average weight child. In this study 1,111 children were followed up for an average of four years. Height weight and blood pressure of the...