What blood pressure is unsafe to fly?

There isn't any legally imposed limit as far as we're aware, but a high blood pressure must be controlled with medication before you travel for your safety. For example, blood pressure is considered high if over 140/90mmHg, so if your blood pressure is consistently above this value then it is important to reduce it.



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If your blood pressure is higher than 120 over 80, seek medical advice before you travel.

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recent operation or injury where trapped air or gas may be present in the body (e.g. stomach ,bowel, eyes, face, brain) severe long term diseases that affect your breathing. breathlessness at rest. unresolved pneumothorax (punctured lung)

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Dehydration can cause high blood pressure (hypertension) in some cases. When your body is dehydrated, your blood becomes thicker and more concentrated, which can cause your blood pressure to rise. This is because your heart has to work harder to pump blood through your body, which increases blood pressure.

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The air pressure while flying increases the risk of blood clots forming, which is not ideal. Heart complications: If you've suffered a heart attack, stroke, cardiac failure or chest pain while at rest, flying should wait. The lower oxygen levels, increased air pressure, high altitude and more could affect your health.

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Unstable heart disease is associated with a higher risk of adverse events due to flying, and you may need to avoid flying, at least temporarily, until your condition is well controlled. People with pacemakers or implantable defibrillators can fly safely.

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Air travel increases the risk of developing blood clots in the veins of the legs, which can then enter the bloodstream and block an artery in the lungs, a condition called pulmonary embolism. In some cases, the opening can allow the blood clot to enter the arteries of the brain, causing a stroke.

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Airplane Travel and Blood Oxygen Saturation Typically, in-cabin air pressure is equivalent to that seen at 5000 to 8000 ft. Local hypoxia causes vasodilation (decrease in blood pressure) and increased capillary permeability, as well as increased ventilatory effort and heart rate.

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If your blood pressure is elevated and you want to see an immediate change, lie down and take deep breaths. This is how you lower your blood pressure within minutes, helping to slow your heart rate and decrease your blood pressure. When you feel stress, hormones are released that constrict your blood vessels.

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If it's still very high, seek medical care. Call 911 or emergency medical services if your blood pressure is 180/120 mm Hg or greater and you have chest pain, shortness of breath, or symptoms of stroke. Stroke symptoms include numbness or tingling, trouble speaking, or changes in vision.

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