George Robert Greenwell M.D.

Heart failure refers to the condition where the organ fails to pump enough blood to different parts of the body to meet the demand. The disease refers to the weak pumping power of heart. In this condition, the rate of flow of blood through the heart is slow and the pressure increases. In most cases,...

Complications can be divided according to different factors:...

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...

Arginine is an essential amino acid that has been in the spot light among hundreds of other nutrients because of its benefits to the heart. For many people diagnosed with heart disease, the heart-healthy benefits of this nutrient have come to the forefront. Arginine is a semi-essential amino acid...

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...

Do you want to know what Cardiac Resynchronization Therapy (CRT) is? Do you know exactly how your heart functions? It works in a rhythm. It beats 60 to 100 times per minute, and when it beats, it pumps oxygenated blood to your whole body. When the heart relaxes immediately after each beat, impure...