Mustafa A Hashem MD

Enlarged heart or cardiomegaly is an indication of an underlying condition rather than a disease in itself. Enlargement makes the heart work harder than normal and weakens the heart muscles after a period of time. An enlarged heart has a number of causes including hypertension and coronary artery...

Blood pressure lower than 90/60 mm of Hg is referred to as low blood pressure, or hypotension. The first number is the measure of pressure in the arteries when the heart beats and fills blood in them. The second number is the pressure in the arteries when the heart is at rest between two beats. In...

Doctors or physicians are categorized according to different factors including medical specialties and subspecialties. Most doctors specialize in a specific area of medicine. This article provides a summary of the different types of doctors in the medical field. AllergistsAllergists are also...

Our heart rate is automatically controlled by the autonomic nervous system (ANS) that has two divisions: sympathetic and parasympathetic. The part of the ANS that is responsible for raising a person’s heart rate through the sympathetic plexus is the sympathetic division. The parasympathetic...

According to new research, calcium supplements are usually taken by elderly people and post-menopausal women to prevent their bones from thinning. Now, it may increase the risk of a heart attack. Researchers suggest that these drugs should be taken with caution.Some of the earlier studies reported...

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...