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e. Hypertension, also known as high blood pressure, is a long-term medical condition in which the blood pressure in the arteries is persistently elevated. [ 11] High blood pressure usually does not cause symptoms itself. [ 1] It is, however, a major risk factor for stroke, coronary artery disease, heart failure, atrial fibrillation, peripheral ...
White coat hypertension (WHT), also known as white coat syndrome, is a form of labile hypertension [1] in which people exhibit a blood pressure level above the normal range in a clinical setting, although they do not exhibit it in other settings. [2] It is believed that the phenomenon is due to anxiety experienced during a clinic visit. [3]
Essential hypertension (also called primary hypertension, or idiopathic hypertension) is a form of hypertension without an identifiable physiologic cause. [ 1][ 2] It is the most common type affecting 85% of those with high blood pressure. [ 3][ 4] The remaining 15% is accounted for by various causes of secondary hypertension. [ 3]
Labile hypertension occurs when there are unexpected changes in blood pressure. The term can be used to describe when people have blood pressure measurements that abruptly fluctuate from being abnormally high, approximately 140/90 mm Hg or over and returns to its normal range. [ 1]
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. Hypertension can be classified by cause as ...
Diagnosis. The term hypertensive emergency is primarily used as a specific term for a hypertensive crisis with a diastolic blood pressure greater than or equal to 120 mmHg or systolic blood pressure greater than or equal to 180 mmHg. [9] Hypertensive emergency differs from hypertensive urgency in that, in the former, there is evidence of acute ...
Postural orthostatic tachycardia syndrome ( POTS) is a condition characterized by an abnormally large increase in heart rate upon sitting up or standing. [ 1] POTS is a disorder of the autonomic nervous system that can lead to a variety of symptoms, [ 10] including lightheadedness, brain fog, blurred vision, weakness, fatigue, headaches, heart ...
Pulmonary hypertension ( PH or PHTN) is a condition of increased blood pressure in the arteries of the lungs. [ 7] Symptoms include shortness of breath, fainting, tiredness, chest pain, swelling of the legs, and a fast heartbeat. [ 7][ 2] The condition may make it difficult to exercise. [ 7]