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Wednesday, September 25, 2013

Hypotension Causes


By on 8:43 AM

low blood pressure causes

Certain medical conditions can cause hypotension. Here follows an overview on some of those conditions:


- Heart problems.

Heart conditions such as bradycardia (low heart rate), heart attack and heart valve problems. They can cause hypotension because they suppress the circulation of blood in the human body.

- Dehydration    

Even more mild forms of dehydration can be the cause for hypotension. Vomiting, overuse of diuretics, severe diarrhea, strenuous exercise, fever can lead to dehydration. However, that is not as dangerous as hypovolemic shock can be. It is a life-threatening complication of dehydration. Hypovolemic shock occurs when low blood volume causes a decrease of the oxygen reaching the body tissues and triggers a drop in blood pressure.

- Pregnancy. 

As a result of the expansion of the circulatory system during pregnancy, lower blood pressure is pretty common. In the first twenty-four weeks the diastolic blood pressure drops from 10 to 15 mm Hg, while the systolic pressure usually drops from 5 to 10 mm Hg. After the pregnancy the blood pressure returns to its pre-pregnancy levels.

- Blood loose.

Losing significant amounts of blood as a result of some type of injury can cause a sudden drop of blood pressure.

Other possible causes of hypotension include: Lack of nutrients in the diet, severe allergic reaction, sever infection, endocrine problems.

Drugs that can trigger hypotension

- Drugs for Parkinson’s disease
- Sildenafil (Viagra), when combined with heart drugs such as nitroglycerine.
- Alpha Blockers
- Beta Blockers
- Diuretics
- Antidepressants such as tricyclic antidepressants.
- Alcohol.
- Medications used for surgery

Refference http://www.nlm.nih.gov/medlineplus/ency/article/007278.htm

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