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Tag: Cardiology

Normal ECG – Rate, Rhythm, Cardiac Axis, and Normal Waves & Intervals in an ECG

Visit our new website- This article discusses the rate, rhythm, cardiac axis, and normal waves & intervals in an ECG. Normal Waves in ECG P wave It is a small upward deflection representing atrial depolarization. It should be upright in leads I, II, aVF, and V2-V6 and inverted in aVR. P wave is normally… Read More ›

Baroreceptor Mechanism

Visit our new website– Arterial blood pressure is normally regulated within a narrow range, with a mean arterial pressure typically ranging from 85 to 100 mmHg in adults. It is important to tightly control this pressure to ensure adequate blood flow to organs throughout the body. This is accomplished by negative feedback systems incorporating… Read More ›


What is endocarditis? Endocarditis is inflammation of your heart’s inner lining, called the endocardium. It’s usually caused by bacteria. When the inflammation is caused by infection, the condition is called infective endocarditis. Endocarditis is uncommon in people with healthy hearts.   What are the symptoms of endocarditis? The symptoms of endocarditis aren’t always severe, and they may… Read More ›

Coronary Heart Disease (CHD)

Coronary heart disease (CHD) is one of the major causes of death. CHD is sometimes called ischaemic heart disease. Symptoms of CHD The main symptoms of CHD are: Angina (chest pain) Hheart attacks Heart failure However, not everyone has the same symptoms and some people may not have any before CHD is diagnosed. Causes of coronary heart disease… Read More ›

Heart Attack

A heart attack occurs when the flow of blood to the heart is blocked, most often by a build-up of fat, cholesterol and other substances, which form a plaque in the arteries that feed the heart (coronary arteries). The interrupted blood flow can damage or destroy part of the heart muscle. A heart attack, also… Read More ›

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