Nancy Jean Johnson MD

Recommended Articles

• Reasons Why You Would Need an Ablation

  What is catheter ablation?This is a surgical procedure that is used to correct heart irregularities. It involves the use of radio frequency energy to get rid of the heart tissues that cause irregular and rapid heartbeats. It can also be referred to as radio frequency ablation, and it has proved to...

• Heart Palpitations: What Is It and What Are the Causes?

  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...

• Who Should You Call If You Have Congestive Heart Failure?

  Heart failure should be treated early. With the right treatment, your life expectancy can be increased. Patients observing any of the symptoms related to congestive heart failure should never wait for the regular appointment dates. Instead, they should consult your doctor in no time to avoid further...

• 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...

• 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 Bubble Study?

  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,...