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प्रश्न
Define hypertension. Explain coronary artery disease and angina pectoris.
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उत्तर
Hypertension: Persistently raised blood pressure higher than the normal is called hypertension.
i. Coronary artery disease:
- Coronary Artery Disease (CAD) is also known as atherosclerosis.
- In this, calcium, fat cholesterol and fibrous tissues get deposited in blood vessels supplying blood to the heart muscles making the lumen narrow.
ii. Angina pectoris:
- It is the pain in the chest resulting from a reduction in the blood supply to the cardiac muscles because of atherosclerosis or arteriosclerosis.
- It is characterized by severe pain and heaviness in the chest. The pain may spread to the neck, lower jaw, left arm and left shoulder. The pain usually results from exertion, when there is more demand of oxygen by the heart, but the supply does not meet the requirement.
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संबंधित प्रश्न
What is meant by ‘systolic pressure’? What is its normal value?
Normal blood pressure is ______.
In which of the following health condition there is persistent increase in arterial blood pressure?
______ indicates heaviness with severe chest pain which may disappear with rest.
Blood pressure ______ indicates hypotension.
While playing cricket Raju faces problems of severe pain and heaviness in the chest. Pain spreads from the neck, lower jaw, left arm and left shoulder. From the above symptoms identify the disease:
Complete the following table.
| Waves on ECG | Heart activity | Reason for formation |
| P. wave | ____________ | ____________ |
| QRS wave | ____________ | ____________ |
| Twave | ____________ | ____________ |
How is blood pressure measured?
Note the relationship between the first two words and suggest a suitable word/words for the fourth place:
Chest pain : Angina pectoris :: Heart attack : ______
Angina pectoris is severe pain and heaviness in chest that is mainly caused due to ______.
