BLOOD PRESSURE | GS Paper 3 | Science and Technology

BLOOD PRESSURE | GS Paper 3 | Science and Technology

Blood Pressure is made up of two numbers:

a) systolic     b) diastolic.

BLOOD PRESSURE | GS Paper 3 | Science and Technology-1

  • Systolic pressure is the pressure whenthe ventricles pump blood out of the heart.
  • Diastolic pressure is the pressure between heartbeats when the heart is filling with blood.


BLOOD PRESSURE | GS Paper 3 | Science and Technology_2 BLOOD PRESSURE | GS Paper 3 | Science and Technology_3

According to medical standards, the reading on a doctor’s BP monitor going above 140/90 accounts for Hypertension .

  • High blood pressure can damage your health in many ways. It can adversely affect important organs like your heart, brain, kidneys, and eyes.

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Category :

  1. Normal blood pressure. Blood pressure is 120/80 mm Hg or lower.
  2. Elevated blood pressure. The top number ranges from 120 to 129 mm Hg and the bottom number is below, not above, 80 mm Hg.
  3. Stage 1 hypertension. The top number ranges from 130 to 139 mm Hg or the bottom number is between 80 and 89 mm Hg.
  4. Stage 2 hypertension. The top number is 140 mm Hg or higher or the bottom number is 90 mm Hg or higher.
  1. The WHO report reveals that hypertension affects one in three adults worldwide.
  2. The number of people living with hypertension has doubled from 650 million in 1990 to a staggering 1.3 billion in 2019, with nearly half of these unaware of their condition.
  3. According to the WHO report, nearly four out of five people with hypertension are inadequately treated .If we scaling up coverage could avert 76 million deaths between 2023 and 2050.
  4. The report reveals a doubling of hypertension cases from 1990 to 2019, with over three quarters of affected adults in low and middle income countries.“
  5. The research papers emphasize that a significant portion of hypertensive individuals in India remain undiagnosed.
  6. Lack of awareness about the condition and limited access to healthcare services are critical factors.
  7. The Cures study showed especially among those aged 15 to 49 the number of People with high blood pressure in India increased. from 20.4% to 22.8%,
  8. Poor lifestyle choices, such as a high salt diet, lack of physical activity, and excessive alcohol consumption, increase hypertension risk.

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Source: The Hindu