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What is HYPERTENSION?

Posted by healthbook.pk

Hypertension is when the pressure is too high. Blood pressure is the force exerted by the circulating blood against the walls of the body’s arteries, the major blood vessels in the body.

Blood pressure is written as two numbers. The first number is called systolic and it represents the ≥pressure in the blood vessels when the heart contracts or beats. The second number is called diastolic which represents the pressure in the vessels when the heart rests between beats.

Hypertension is diagnosed when it is measured on two different days. If the blood pressure readings on both days ranges at ≥ 140 mmHg and /or the diastolic readings on both days is ≤ 90mmHg.

What are the risk factors for Hypertension?
There are two categories of risk factors for hypertension.
I. Modifiable Risk as follows:
1. Unhealthy diet - includes excessive intake of salty foods, diet high in saturated fats and trans fats, low intake of fruits and vegetables
2. Sedentary Lifestyle – includes physical inactivity like lack of exercise & a “couch potato”
3. Consumption of tobacco and alcohol
4. Overweight or Obese

II. Non- Modifiable Risks as follows:
1. Family History of hypertension
2. Age over 65 years old
3. Co-existing diseases like diabetes or kidney disease

What are the common symptoms of hypertension?

Hypertension is also called as “Silent Killer”. Most people with hypertension are unaware of the problem because it may have no warning signs or symptoms. For this reason, it is essential that blood pressure is measured regularly.

When symptoms occur, they may include early morning headaches, nosebleeds, irregular heart rhythms, vision changes and buzzing in the ears. Severe Hypertension can cause fatigue, nausea, vomiting, confusion, anxiety, chest pain and muscle tremors.

The only way to detect hypertension is to have a health professional measure the blood pressure. Having blood pressure measured is quick and painless. Individuals can also measure their own blood pressure using automated devices. However, an evaluation by a health professional is still necessary for assessment of risk factors and associated conditions that may be predisposing the condition.


What are the complications of Uncontrolled Hypertension?
Complications can cause serious damage to the heart.
1. Excessive pressure can harden arteries, decreasing the flow of blood and oxygen to the heart. This elevated pressure and reduced blood flow can cause chest pain also called as angina.
2. Heart attack which occurs when the blood supply is blocked and heart muscle cells die from lack of oxygen. The longer the blood flow is blocked the greater the damage to the heart.
3. Heart Failure which occurs when the heart cannot pump enough blood and oxygen to other vital body organs.
4. Irregular heart beat which can lead to a sudden death. Hypertension can also burst or block arteries that supply blood and oxygen to the brain causing a stroke.
5. Hypertension can also cause kidney damage leading to kidney failure.

Why is Hypertension an issue in low and middle income countries?

The prevalence of hypertension varies across the WHO regions and country income groups. The WHO African Region has the highest prevalence of hypertension with 27% while the WHO Region of the America has the lowest prevalence of hypertension with 18%.

A review of the current trends shows the number of adults with hypertension increased from 594 million in 1975 to 1.13 billion in 2015, with the increase seen largely in low and middle income countries. This increase is due mainly to a rise in hypertension risk factors in those populations.

How can the burden of Hypertension be reduced?

Prevention Methods:

1. Reducing salt intake to less than 5 grams daily.
2. Eat more fruits and vegetables
3. Be physically active on a regular basis.
4. Avoid the use of tobacco.
5. Reduce alcohol consumption
6. Limiting the intake of foods high in saturated fats
7. Eliminating/ reducing trans fats in diet

Management

1. Reducing and managing mental stress.
2. Regular checking of blood pressure
3. Treating high blood pressure
4. Managing other medical conditions

Advantages in reducing hypertension prevents heart attack, stroke, kidney damage and other health problems.

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