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Why Is My Bottom Blood Pressure Number High? Hypertension, BP Levels

high diastolic blood pressure
Isolated diastolic hypertension (IDH) occurs when only your diastolic blood pressure is high

Blood pressure is the force of your blood pushing against the walls of your arteries, which carry blood to other parts of your body. Your blood pressure can be measured using two numbers: 

  • Systolic (the number on top): pressure exerted when the heart pumps blood throughout the body
  • Diastolic (the number at the bottom): pressure exerted when the heart relaxes and refills with blood

When your blood pressure is consistently higher than 130/80 mm Hg, you are considered to have hypertension.

What is isolated diastolic hypertension?

With hypertension, typically both systolic and diastolic blood pressures are elevated. However, isolated diastolic hypertension (IDH) occurs when your systolic blood pressure is normal, and only your diastolic blood pressure is high (over 80 mm Hg).

IDH is an uncommon type of hypertension, accounting for less than 20% of all hypertension cases. Like other types of hypertension, IDH can increase the risk of stroke, heart disease, heart attack, heart failure, aneurysm, atrial fibrillation, peripheral arterial disease, vision loss and chronic kidney disease.

What causes high diastolic blood pressure?

Possible causes of isolated diastolic hypertension include:

What are symptoms of high diastolic pressure?

If only your diastolic blood pressure is high, you may not experience any symptoms. However, severe hypertension symptoms include:

How is high diastolic blood pressure treated?

Isolated diastolic blood pressure can often be managed with lifestyle modifications, dietary supplements, and medications.

Lifestyle modifications

  • Maintaining a healthy weight
  • Eating a high-fiber diet rich in fruits and vegetables and low in saturated fat and dairy products
  • Reducing sodium in the diet
  • Exercising regularly
  • Quitting smoking
  • Limiting alcohol use
  • Managing stress
  • Getting adequate sleep
  • Practicing slow deep breathing
  • Monitoring blood pressure at home

Dietary supplements

Dietary supplements that may help lower blood pressure include:

Medications

If lifestyle and dietary changes are not enough to lower your blood pressure, your doctor may be able to prescribe medications for you.




QUESTION

Salt and sodium are the same.
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What are the different blood pressure levels?

Table: Blood pressure levels Blood pressure levels Systolic (mm Hg) Diastolic (mm Hg) Normal blood pressure

Less than 120
Less than 80

Elevated blood pressure or prehypertension

Between 120 to 129
Less than 80

Stage 1 hypertension

Between 130 to 139
Between 80 to 89

Stage 2 hypertension

140 or higher
90 or higher

Hypertensive crisis

Higher than 180
Higher than 120

What are the main types of hypertension?

There are two types of hypertension:

1. Primary or essential hypertension

Primary or essential hypertension is when the hypertension has no identifiable cause (for example, another disease or condition). It develops gradually over years.

This type of hypertension may be the result of multiple factors, including:

  • Blood plasma volume
  • Hormone activity
  • Genes
  • Physical changes in the body due to age
  • Environmental factors, such as stress and lack of exercise

2. Secondary hypertension

In some people, hypertension is caused by an underlying health condition. This type of hypertension tends to appear suddenly. Secondary hypertension also generally causes higher blood pressure than primary hypertension.

Secondary hypertension is caused by specific conditions and their complications:

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What are the risk factors of high blood pressure?

Factors that increase the risk of hypertension include:

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