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A diagram explaining factors affecting arterial pressure. Pathophysiology is a study which explains the function of the body as it relates to diseases and conditions. The pathophysiology of hypertension is an area which attempts to explain mechanistically the causes of hypertension, which is a chronic disease characterized by elevation of blood pressure.
Blood pressure (BP) is the pressure of circulating blood against the walls of blood vessels. Most of this pressure results from the heart pumping blood through the circulatory system. When used without qualification, the term "blood pressure" refers to the pressure in a brachial artery, where it is most commonly measured.
Coarctation of the aorta frequently causes a decreased blood pressure in the lower extremities relative to the arms, or delayed or absent femoral arterial pulses. Pheochromocytoma may cause abrupt episodes of hypertension accompanied by headache, palpitations, pale appearance, and excessive sweating. [25]
“Although high blood pressure typically causes no symptoms and people may feel perfectly well, long-term high blood pressure has been conclusively shown to damage internal organs, particularly ...
Left ventricular hypertrophy. Hypertensive heart disease is the result of structural and functional adaptations [18] leading to left ventricular hypertrophy, [19] [20] [21] diastolic dysfunction, [18] [20] CHF (Congestive Heart Failure), abnormalities of blood flow due to atherosclerotic coronary artery disease [18] and microvascular disease, [10] [19] and cardiac arrhythmias. [19]
It can cause symptoms such as: Chest pain, pressure, or tightness. Pain that spreads to your shoulder, arm, neck, or back. ... Abnormal blood flow sounds in your neck, abdomen, or groin.
Blood pressure is measured in units called millimeters of mercury, or mm Hg. Normal blood pressure is typically below 120/80 mm Hg. High blood pressure, or hypertension, is defined as anything ...
Uncontrollable increase in blood pressure can cause damage to the arteries that are present around kidneys, and thus restrict the blood to deliver. Due to inconsistent fluctuations in blood pressure, this can cause additional problems to people with pre-existing heart or blood vessel conditions such as angina, cerebral aneurysm or aortic ...