| Open Heart Surgery |
open heart, open heart surgery, heart. medical, surgery, healthcare, doctors, vessel, chamber, Coronary, doctor, surgeon, surgical suite, operating room, hospital, valve, valve replacement, Aortic valve, Mitral valve, Tricuspid valve, Pulmonary valve, anesthesia, anesthesialogist, specialists, heart-lung bypass machine, |
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4K 16x9
2K 16x9
HD1080
SD - 4x3 or letterbox (cropped)
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