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Hypotension, also known as low blood pressure, is a cardiovascular condition characterized by abnormally reduced blood pressure. [1] Blood pressure is the force of blood pushing against the walls of the arteries as the heart pumps out blood [2] and is indicated by two numbers, the systolic blood pressure (the top number) and the diastolic blood pressure (the bottom number), which are the ...
Definition. Orthostatic hypotension (or postural hypotension) is a drop in blood pressure upon standing. One definition (AAFP) calls for a systolic blood pressure decrease of at least 20 mm Hg or a diastolic blood pressure decrease of at least 10 mm Hg within 3 minutes of standing. [ 30]
Blood pressure that is too low is known as hypotension. This is a medical concern if it causes signs or symptoms, such as dizziness, fainting, or in extreme cases, circulatory shock. [61] Causes of low arterial pressure include: [62] Sepsis; Hemorrhage – blood loss; Cardiogenic shock; Neurally mediated hypotension (or reflex syncope)
Frequency. 70% (elderly inpatients) Hypoalbuminemia (or hypoalbuminaemia) is a medical sign in which the level of albumin in the blood is low. [ 1] This can be due to decreased production in the liver, increased loss in the gastrointestinal tract or kidneys, increased use in the body, or abnormal distribution between body compartments.
Pulse pressure is the difference between systolic and diastolic blood pressure. [ 1] It is measured in millimeters of mercury (mmHg). It represents the force that the heart generates each time it contracts. Healthy pulse pressure is around 40 mmHg. [ 1][ 2] A pulse pressure that is consistently 60 mmHg or greater is likely to be associated with ...
Syncope (medicine) Syncope, commonly known as fainting or passing out, is a loss of consciousness and muscle strength characterized by a fast onset, short duration, and spontaneous recovery. [ 1] It is caused by a decrease in blood flow to the brain, typically from low blood pressure. [ 1] There are sometimes symptoms before the loss of ...
Hyponatremia. Hyponatremia or hyponatraemia is a low concentration of sodium in the blood. [ 4] It is generally defined as a sodium concentration of less than 135 mmol/L (135 mEq/L ), with severe hyponatremia being below 120 mEq/L. [ 3][ 8] Symptoms can be absent, mild or severe. [ 2][ 9] Mild symptoms include a decreased ability to think ...
Hypovolemic shock is a form of shock caused by severe hypovolemia (insufficient blood volume or extracellular fluid in the body). [ 1][ 2] It can be caused by severe dehydration or blood loss. [ 3][ 2] Hypovolemic shock is a medical emergency; if left untreated, the insufficient blood flow can cause damage to organs, leading to multiple organ ...
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