Heart and Vessels

Hypertension – Types, Pathophysiology, Explain Blood Pressure

What is hypertension? Hypertension is the medical term for elevated blood pressure. This is a higher than normal pressure within the blood vessels as blood travels through it. High blood pressure in the short term does not cause any significant damage in the body and may even go unnoticed. However, prolonged elevation of >> Read More ...

Heart Beating Sensation (Palpitations) Pounding, Racing, Jumping

The heart beats about 70 to 80 times per minute in the average adult and the rhythm is usually regular. The rate, however, may rise during activity and lowers during rest. Usually a person is not aware of their beating heart unless they feel their pulse. During periods of exercise, the heart beat may become more prominent >> Read More ...

Heart Sounds Reasons and Locations

What are heart sounds? The heart sounds are the normal sounds that is made by the activity of the heart and heard with a stethoscope placed on the chest wall (auscultation). This sounds like a “lub, dub” and is associated with the beating heart (contraction and relaxation) and the flow of blood through the >> Read More ...

Endocarditis (Infective and Non-Infective) Causes and Symptoms

What is endocarditis? Endocarditis is the medical term for inflammation of the inner heart wall (endocardium) and heart valves. The middle muscular layer of the heart known as the myocardium may also be affected (myocarditis). When the endocardium and myocardium are both inflamed, the condition is known as endomyocarditis. >> Read More ...

Inflamed Heart Muscle (Myocarditis) Viral, Drugs, Toxic, Immune

What is myocarditis? Myocarditis is the medical term for inflammation of the muscular layer of the heart known as the myocardium. While the most common cause of myocarditis is a viral infection, which is often acute in nature, other causes such as toxins and  immune mediated reactions (drug hypersenitivity, post viral, >> Read More ...

Blood Flow in the Brain (Cerebral) and Control Mechanisms

Blood flow to the brain (cerebral blood flow) is essential to maintain consciousness and many vital functions. Unlike certain other parts of the body, a few seconds without blood flow will not be detrimental to functioning but in the brain, a lack of blood flow for even just 10 seconds will lead to unconsciousness. The >> Read More ...

Enlarged Aorta – Causes, Symptoms of an Aortic Aneurysm

What is an enlarged aorta? An aortic aneurysm is the abnormal enlargement of a portion of the aorta. It arises when a segment of the vessel wall is weakened due to any number of factors and this causes a bulging. This can be a balloon-like bulge known as a saccular aneurysm or a widening of an entire segment of the aorta >> Read More ...

Aortic Aneurysm (AA) – Thoracic, Abdominal Types of Aneurysms

What is the aorta? The aorta is the artery that carries oxygen-rich blood out of the left ventricle of the heart. As the largest artery in the body, it has many branches which helps to distribute the oxygenated blood to organs and tissues. Typically the aorta starts from the top of the heart (ascending aorta), curves (arch >> Read More ...
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