19/11/2025
What do you know about Hypertension?
Hypertension or high BP is a chronic medical condition where the force of blood against the artery walls is consistently too high. Over time, this damages blood vessels and vital organs like the heart, kidneys, brain, and eyes.
Blood Pressure Categories (Adults)
Category Systolic (mmHg) Diastolic (mmHg)
Normal < 120 < 80
Pre-hypertension / Elevated 120–129 < 80
Stage 1 Hypertension 130–139 80–89
Stage 2 Hypertension ≥ 140 ≥ 90
Hypertensive crisis ≥ 180 ≥ 120
Types of Hypertension
1. Primary (Essential) Hypertension
Most common (90–95%)
No single identifiable cause
Related to genetics, age, lifestyle
2. Secondary Hypertension
Caused by an underlying condition, e.g.:
Kidney disease
Hormonal disorders (e.g., hyperthyroidism, Cushing’s)
Certain medications (NSAIDs, steroids, oral contraceptives)
Pheochromocytoma
Renal artery stenosis
Risk Factors
Non-modifiable
Family history
Age (older adults)
Genetics
Race (more common in Black populations)
Modifiable
High salt intake
Obesity
Lack of exercise
Smoking
Alcohol
Stress
Diabetes
High cholesterol
Symptoms
Hypertension is called a “silent killer” because it usually has no symptoms.
When symptoms appear (usually very high levels), they may include:
Headache
Blurred vision
Chest pain
Dizziness
Nosebleeds
Shortness of breath
Complications
If untreated, hypertension can lead to:
1. Heart
Heart failure
Left ventricular hypertrophy
Heart attack
2. Brain like Stroke (hemorrhagic or ischemic)
3. Kidneys like Chronic kidney disease and Kidney failure.
4. Eyes
Hypertensive retinopathy → vision problems
5. Blood vessels
Aneurysms
Peripheral artery disease
Diagnosis
BP measured on two or more separate visits
Use proper technique (seated, rested, correct cuff)
Consider ambulatory BP monitoring if unsure
Management
Lifestyle changes
Reduce salt (< 5g/day)
Maintain healthy weight
Exercise
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