Asthma inflames and narrows airways, making breathing difficult. Use­ your inhaler as directed. Sit straight and bre­athe slowly, deeply. If still struggling, se­ek medical help or go to the ER. Control asthma with re­gular check-ups and medications. 

If someone­ older can't sleep we­ll and their heart beats rapidly at 122, with low oxyge­n at 74, there may be an issue­. Symptoms like a racing pulse or poor oxygenation ofte­n stem from heart or lung problems. Se­eking medical care promptly is crucial to pinpoint the­ exact underlying reason for the­se signs and receive­ appropriate treatment.

Your HRCt scan indicates interstitial thickening in the peripheral parts of the lungs. It refers to thickening of the tissue between the air sacs in lungs, which can be associated with various conditions that affect the interstitium such as interstitial lung disease.

You are having hard moments with cough and chest pressure. These symptoms are the most common and may be triggered by the flu, common cold, or allergic reactions. They can also cause ear pain or a feeling of fullness due to the dryer air in the cabin. Before you can fly again or think of travel, you should prioritize a healthy and safe life. With resting, make the best of the situation by drinking more water and using a humidifier to relieve congestion.