David Wayne Markham MD, MSC

Recommended Articles

• What Is an Arrhythmia?

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

• What is the Impact of High Blood Pressure?

  What is High Blood Pressure?High blood pressure is a condition whereby an individual’s blood vessels become strained due to high pressure by the blood flowing in them. It’s a dangerous condition not because it has any negative side-effects on its own but because of the potential health problems...

• What are the Stages of Congestive Heart Failure?

  Once a heart failure is diagnosed, it is evaluated. To commence the proper evaluation of heart failure, it is essential to share a complete and accurate history of what you are experiencing and what you have experienced so far with your doctor. Providing a complete and accurate history of your...

• Alternative Treatments for Atrial Fibrillation

  Atrial fibrillation is a condition that causes abnormal vibrations in the heart chambers. It leads to changes in the heartbeat ratesand the pulse. As a result, it may cause clotting of blood in the heart chambers. Such quivering sensations are mostly experienced in the atria and ventricle chambers...

• Understanding the Connection Between Sleep Apnea and Heart Conditions

  Researchers have found that obstructive sleep apnea (OSA) is linked to cardiometabolic dysfunction. The study, seen in the Journal of Clinical Endocrinology and Metabolism, attempts to provide an explanation as to why sleep apnea patients often have problems associated with their heart.  Up until...

• Lightheadedness

  What is lightheadedness?Lightheadedness or feeling faint may not always be a cause for concern. However, it may also indicate an underlying health problem and can increase the risk of falling and fall-related injuries. If you feel lightheaded, drink water or fluids containing electrolytes and take...