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Abstract
AIRBORNE HEALTH CRISES: A MULTIDISCIPLINARY REVIEW OF IN-FLIGHT MEDICAL EMERGENCIES
Dr. Ishaan Bakshi*
ABSTRACT
Air travel has become an essential part of global mobility, connecting nearly five billion passengers annually across international borders. While aviation is remarkably safe from a technical perspective, the physiological stresses of flight, combined with the demographic diversity of travelers, have made in-flight medical emergencies (IFMEs) an increasingly recognized challenge in both clinical medicine and aviation safety. Estimates suggest between 24 and 130 IFMEs occur per one million passengers, but the absence of a standardized international reporting system limits accurate prevalence assessment. The clinical spectrum is wide, encompassing common complaints such as syncope, dyspnea, and gastrointestinal discomfort, as well as life-threatening conditions including myocardial infarction, stroke, anaphylaxis, and obstetric complications. In most cases, cabin crew—trained in basic life support, automated external defibrillator (AED) use, and airline-specific protocols—manage minor events without physician involvement. However, approximately one-third of IFMEs require medical volunteer assistance, and 4–7% necessitate diversion of the aircraft. Volunteer responders must navigate a resource-limited, high-stakes environment with restricted access to diagnostic tools and medications. Legal protections vary across jurisdictions, with the United States providing broad liability coverage under the Aviation Medical Assistance Act of 1998, whereas obligations and protections differ in Europe, Australia, and elsewhere. This review synthesizes epidemiological data, explores the physiological stresses unique to flight, and examines the clinical presentations most frequently encountered at altitude. It also evaluates legal and ethical frameworks governing physician volunteerism, details the composition and limitations of onboard medical equipment, and highlights the evolving role of ground-based telemedicine in decision-making regarding aircraft diversion. Future directions, including enhanced emergency medical kits, standardized international reporting, crew training, and integration of digital health technologies, are discussed. A collaborative approach between clinicians, airlines, regulators, and policymakers is essential to mitigate the risks of IFMEs and ensure passenger safety in an era of expanding global air travel.
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