David C Homans M.D.

High blood pressure, also known as hypertension, refers to the increased pressure exerted on the walls as blood passes through arteries. Normal blood pressure is measured as 120/80 mm Hg. Pressure in the range of 120/80 and 139/89 mm Hg is referred to as pre-hypertension, and those above the higher...

What is a persistent cough?It can be annoying to have a cough that lasts for more than a couple of weeks. A cough is considered chronic or persistent if it does not go away after four weeks in children and eight weeks in adults. However, most persistent coughs are due to colds, flu, infection, or...

A recent study has shown that young women may benefit by having fatty fish, as it provides protection against heart disease and stroke. According to researcher Marin Strom, PhD, Statens Serum Institut in Copenhagen, Denmark, even a modest intake of fishes that provide omega-3 fatty acids provide...

What Is Right-Sided Congestive Heart Failure?Heart failure is called by other names, such as congestive heart failure (CHF), cardiac failure, left-sided heart failure, and right-sided heart failure.The heart is an organ that pumps blood to various parts of the body and is a little larger than...

What is a bubble study?A bubble study is a type of echocardiogram, which is the ultrasound of the heart. An echocardiogram is done to visualize the heart and its surrounding areas. Better images of the heart can be produced when a “contrast” is used during the echocardiogram. In a bubble study,...

Atrial fibrillation is a condition of the heart which causes irregularity of the heartbeat. It causes quivering inside the heart chambers, especially the atria. Due to this rapid and irregular trembling, patients also have an increased risk of stroke.People that have atrial fibrillation usually have...