Most people recover in one to three weeks, but pneumonia can be deadly, especially among people with weaker immune systems.
The American Lung Association explains how pneumonia may be diagnosed:
- Physical exam: Your doctor will listen to your lungs with a stethoscope. If you have pneumonia, your lungs may make bubbling or crackling sounds when you inhale.
- Chest X-ray.
- Blood test.
- Arterial blood gases. This test will determine if enough oxygen is getting into your blood from the lungs.
- CT scan of the chest.
- Sputum test. This will help doctors identify the organism causing your symptoms.
- Bronchoscopy. This procedure allows doctors to look directly into the lungs’ airways.
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