Hypertension: Hypertension is the condition of having high blood pressure. It is very common and affects around 50 million Americans of which about 30% are not yet diagnosed (NHLBI). Hypertension is an under-diagnosed condition because it causes damage to the body with no symptoms or only mild symptoms. It has been called a "silent killer" for this reason.
Correct diagnosis of the cause of high blood pressure is important.
Most cases of chronic hypertension are "primary hypertension"
but a small percentage are "secondary hypertension" where the
rise in blood pressure is caused by another underlying condition.
Hypertension during pregnancy is another common special case;
it is called gestational hypertension,
preeclampsia or eclampsia depending on its severity.
Hypertension: Blood pressure measures the force of blood against the walls of your blood vessels. Blood pressure that remains high over time is called hypertension. Extra fluid in your body increases the amount of fluid in your blood vessels and makes your blood pressure higher. Narrow or clogged blood vessels also raise blood pressure. 1
Researching symptoms of Hypertension: Further information about the symptoms of Hypertension is available including a list of symptoms of Hypertension, other diseases that might have similar symptoms in differential diagnosis of Hypertension, or alternatively return to research other symptoms in the symptom center.
Misdiagnosis and Hypertension: Research more detailed information about misdiagnosis of Hypertension, failure to diagnose Hypertension, underlying causes of Hypertension (possibly misdiagnosed), or research misdiagnosis of other diseases
Statistics and Hypertension:
Various sources and calculations are available in statistics about Hypertension,
prevalence and incidence statistics for Hypertension,
and you can also research other medical statistics in our statistics center.
1. excerpt from High Blood Pressure and Kidney Disease: NIDDK
Last revision: Nov 13, 2003
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