Wai Lap Leung M.D.

What is heart rate?The heart rate is the number of heartbeats that occur per minute. The normal heart rate depends from person-to-person. As people get older, the heart rate changes and pulse regularity may change, which can signify heart problems or other medical conditions. Your heart rate may...

Secondary hypertension refers to high blood pressure that is caused by other diseases. This is a less common form of hypertension when compared to ‘essential’ or ‘primary’ hypertension. A number of conditions that affect heart, kidneys or endocrine system may result in secondary...

What is a HIIT Workout?HIIT workout plans are intensive and punishing, but there are good reasons why they are very popular. HIIT stands for high-intensity interval training. As its name implies, it is an explosive and high-power workout. It is not a specific workout or exercise routine. Rather,...

Atypical myocardial infarction often occurs in older patients with a pronounced cardiosclerosis, circulatory failure, and often with people who have a history of heart attacks.The symptoms may confuse you, or make you think that they are not associated with the heart.Usually, atypical manifestations...

What is CHD?Coronary heart disease (CHD) is the disease that develops when there is an insufficient oxygen supply to the heart muscle by the coronary arteries. The most common reason for this is atherosclerosis of the coronary arteries with cholesterol plaques formation and narrowing of the arterial...

What Does a Heart Surgeon Do?A heart surgeon or cardiovascular surgeon is known for operating on the heart as well as the blood vessels for repairing any damage that has been caused to the heart. This could be due to any kind of disorder or disease of the cardiovascular system. Most of the time, the...