John Randolph Lewis M.D.

Recommended Articles

• Different Types of Heart Doctors Explained

  IntroductionDoctors who specialize in the diagnosis and treatment of conditions or diseases of the cardiovascular system (the heart and blood vessels) are called heart doctors or cardiologists. These specialists are trained to identify, treat, and help prevent heart issues. There are also different...

• What Is a Stent?

  A stent is an expandable metal tube that is used to treat weak arteries. These stents help in opening up arteries that are narrowed down by the accumulation of plaques. Implantation of the tube helps in reducing the constriction of blood flow in the affected region. The metal mesh is implanted...

• Lisinopril: What Are the Side Effects and Dosages of Lisinopril?

  The standard dose of this medication for adults with high blood pressure is 10 mg taken by mouth once a day.The doctor may increase the dose up to a maximum of 80 mg per day depending on the requirement. For heart failures, the starting dose for adults is 5 mg per day and the dosage can be increased...

• What is Rheumatic Fever?

  Rheumatic fever is a complicated, nonsuppurative disease that affects the joints, blood vessels, heart, brain, and skin. It is an acute inflammatory response that has a PAST untreated or slightly treated Group A or group B beta-hemolytic streptococcal infection, such as strep throat or scarlet...

• What is Cardiac Ablation?

  Cardiac ablation is a procedure used for atrial fibrillation (a-fib) treatment, which is an irregular beating of the heart. Doctors may recommend the procedure when other methods of treatment such as drugs and heartbeat reset aren’t successful.If atrial fibrillation, or an irregular heart rate,...

• Heart Palpitations: When Is It a Sign of Something Serious?

  Heart palpitations, although it feels like a scary experience, are not always a sign of something serious. These palpitations are harmless but there are some instances when it could be a signal to a serious heart disease, especially if it is associated with other symptoms. This article explains...