Abstract
Air travel is widely regarded as the safest mode of transportation, with the United States leading in airline passengers. However, travelers with pre-existing heart conditions face acute cardiovascular risks. Flight pilots and cabin crew are particularly vulnerable to air travel's physiological changes, which can significantly impair their health and performance. Cabin pressure differences and reduced oxygen levels at cruising altitudes of 5000-8000feet make air travel challenging for individuals with underlying cardiac and pulmonary problems. This, along with dry air, sleep deprivation, missed medication and prolonged sitting, can lead to physiological changes. In-flight and pre-flight stressors contribute to increased health issues, and studies show a rise in medical emergencies during flights. Prolonged exposure to the airplane environment can lead to various health issues for pilots and cabin crew. These changes include impaired judgment, cognitive function and discomfort in the sinuses and ears due to pressure differentials. Therefore, thorough medical screening, skilled instrument use and compliance with safety measures are essential to mitigate these risks. This article reviews the cardiac implications of air travel, discussing the underlying pathophysiology, associated risks and preventive measures to ensure safer flights for individuals with cardiovascular diseases.
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