Veno-arterial ECMO

Veno-arterial ECMO (VA-ECMO) is a life-sustaining critical care intervention providing temporary support for severe heart and lung failure. In VA-ECMO, deoxygenated blood is drained from a vein, oxygenated by an external membrane lung, and then returned to an artery, bypassing the heart and lungs. This mechanical circulatory support allows these organs to rest and recover. It’s crucial in critical care for conditions like cardiogenic shock or respiratory distress syndrome.

Ultrasound plays a vital role in VA-ECMO management, aiding in cannulation site assessment, confirmation of catheter placement, and monitoring of cardiac function and potential complications like limb ischemia. Regular ultrasound assessments help optimize support settings and guide clinical decisions, ensuring patient safety and effective treatment in critical care environments.

Clinical Author

Bruno Vargas is originally from Mexico City. He first trained as an Emergency Medical Technician at la Universidad Panamericana (UP) before starting medical school at la Universidad Nacional Autónoma de México (UNAM) in Mexico City. Later he did his social service year in the Sierra Madre of Chiapas with Partners in Health Mexico/Compañeros en Salud (CES) in 2019, where he was trained in Global Health, social medicine, and introduced to Point of Care Ultrasound (POCUS). At that moment while working in a resource-limited setting he became passionate about POCUS. He graduated as a general practitioner, and afterward stayed with CES during the pandemic as part of the COVID-19 task force, training community healthcare workers and “pasantes” (first-year doctors doing their year of social service). He finished the Ultrasound Leadership Academy (ULA) fellowship and has started a POCUS training program at his site with midwives, nurses, doctors, and trainees from these areas. He is currently doing a Global Health Fellowship with HEAL as a site fellow in Chiapas with CES. He has committed to a lifelong career in global health providing healthcare access to the most marginalized communities. He has a profound respect and admiration for nature and loves any kind of outdoor activities, especially bicycling, high mountain, and scuba-diving.

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