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High Blood Pressure

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People Susceptible to High Blood Pressure

High Blood pressure changes during the day

The blood pressure is always changing, most people would present dipper blood pressure characterized by two peaks during 8:00-10:00 am and 4:00-6:00 pm, respectively, and the blood pressure remaining low during the night and reaching the trough during 2:00-4:00 am, followed by gradual rise.

Types of Blood Pressure

itemDipper hypertension (Dipper blood pressure)
Blood pressure drops at night, the nighttime blood pressure decrease rate was 10%-20%, and the blood pressure rises during the day, this is Dipper hypertension. Most people's blood pressure is a dipper hypertension, that is, within 24 hours of blood pressure was "two peaks (surge ) and a valley" state fluctuations. The following figure:

Dipper blood pressure

Patient's blood pressure reached a peak (surge ) , often hanve dizziness, headache and other symptoms, and prone to cerebral hemorrhagic stroke, miocardial infarction. When the blood pressure reached a valley, some patients are prone to develop cerebral arterial insufficiency, their blood flow is slow and easy to form cerebral thrombus or coronary artery thrombus, so ischemic stroke occurs frequently at night.
Treating dipper hypertension(Dipper blood pressure):
Take medicine once daily:
Take time: 7 a.m.

Take medicine twice daily:
Take time: 7 a.m. and 2 p.m.

Avoid taking medicine before going to bed, so easily lead to hypotension (low blood pressure), lead to cerebral artery insufficiency, causing ischemic stroke.

itemDeep Dipper Blood Pressure

Nocturnal blood pressure declined more than daytime blood pressure 20%


itemMorning High Blood Pressure (The early morning blood pressure surge)

Morning Hypertension
When you wake up in the morning, you have a sharp rise in blood pressure, morning high blood pressure rise rate was 20% or more.
Hazard: patients with the morning hypertension is often prone to sudden cardiac death, myocardial infarction, angina and stroke (peak time at 6 a . m -7 a. m and 10 a.m).

itemNon dipper hypertension (Non dipper blood pressure)
Some patients with hypertension, nocturnal blood pressure is not reduced, the blood pressure has been maintained at a high level, a little change,or the nighttime blood pressure decrease rate was 0 - 10%, This is called "non dipper hypertension" (no obvious peak period).
The following figure:

non dipper blood pressure

Research indicates, the degree of cardiac and cerebral and other organ damage in Non-dipper hypertension was significantly higher than that in Dipper hypertension.
Treating non dipper hypertension (Non dipper blood pressure):
Recommended to take long-acting antihypertensive drugs before you go to bed every night.

itemReverse dipper blood pressure (Isolated Nocturnal Hypertension)
Reverse dipper, blood pressure (BP) rises during night-time. This hypertension is not easy to be found, it is recommended to do 24 hour ambulatory blood pressure monitoring.

Isolated Nocturnal Hypertension

Next Page:
High Blood Pressure Measurement and Monitoring

See also:
Your blood pressure might change throughout the year
High blood pressure is a silent killer
Prevention of Low blood pressure (hypotension)
Should patients take hypotensive before their return visits to doctor?
Drugs for complications of hypertension
How to Recognize Antihypertensive drugs Side Effects?
The Antihypertensive Characteristics of Antihypertensive Drugs and the Target People
Masked hypertension (high blood pressure)

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