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Human Vital Signs

Blood Pressure

Blood Pressure

Blood Pressure - Anatomy and Physiology
Blood pressure is highest in thick-walled arteries nearest the heart and lowest in veins which are t.. read full article »

Blood Pressure Devices
The mercury sphygmomanometer (sphygmo read full article »

Indirect Measurement of Blood Pressure
Blood pressure should ideally be assessed in both arms. The patient is positioned so that the elbow .. read full article »

Pulse Pressures
The pulse pressure is the difference between systolic and diastolic pressures and reflects cardiac o.. read full article »

High Blood Pressure (Hypertension)
The World Health Organization read full article »

Hypertensive Emergencies
Chronic uncontrolled or poorly controlled hypertension predisposes to a cerebrovascular event, such .. read full article »

Secondary Hypertension
In 5% of cases the cause of hypertension is known (secondary hypertension). An important cause is hy.. read full article »

Low Blood Pressure (Hypotension)
Shock represents inadequate circulatory perfusion to meet metabolic demands read full article »

Hypovolemic Shock
Common causes of hypovolemic shock are hemorrhage from trauma and gastrointestnal bleeding (i.e., ul.. read full article »

Cardiogenic Shock
Cardiogenic shock is pump failure, usually caused by an acute myocardial infarction (involving about.. read full article »

Septic Shock
Bacteremia is an invasion of the bloodstream by infectious micro-organisms. Severe bacteremia is sep.. read full article »

Neurogenic Shock
Neurogenic shock results from trauma to the spinal cord. read full article »

Anaphylactic Shock
Anaphylaxis, or anaphylactic shock, is a severe allergic reaction read full article »

Special Cases
Cardiac output increases by 40% at the end of the first trimester. The heart rate increases 10-15 be.. read full article »


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