John C Evans MD

Recommended Articles

• 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...

• 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,...

• 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...

• What Is an Arrhythmia?

  An arrhythmia is the violations of the frequency, rhythm, and sequence of heart contractions.Why do arrythmias occur?...

• Complications of Myocardial Infarction

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

• 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...