IABP PHYSICS - THE SCIENCE BEHIND COUNTERPULSATION (IABP GUIDE 002) скачать в хорошем качестве

IABP PHYSICS - THE SCIENCE BEHIND COUNTERPULSATION (IABP GUIDE 002)

🎥 More videos in the IABP Guide: · PREVIOUS - IABP HISTORY:    • IABP HISTORY EXPLAINED, FROM IDEA TO LIFES...   · NEXT - IABP PHYSIOLOGY:    • UNDERSTANDING IABP PHYSIOLOGY: TIMING, FLO...   IABP physics. In this video, we discuss the physics involved in the operation of the intra-aortic balloon pump. The intra-aortic balloon pump (IABP) operates by inflating and deflating a balloon synchronized with the cardiac cycle. 🔹 The balloon is connected to a catheter, which is linked to a compressor generating positive and negative pressure. 🔹 Helium is the preferred gas due to its low viscosity, facilitating rapid inflation and deflation. 🔹 Early IABP models used a piston compressor, but modern versions employ a scroll compressor, offering advantages such as improved efficiency, reduced noise, lower mechanical failure rates, and a more compact size. The scroll compressor functions by creating two pressure zones—negative at the inlet and positive at the outlet—by moving an orbiting scroll within a fixed scroll. The system transmits pressure through tubes to a plunger, which displaces helium, inflating and deflating the balloon. 🔹 A solenoid valve regulates this process in synchronization with the cardiac cycle. 🔹 Modern IABP catheters incorporate fiber-optic pressure sensors using the Fabry-Pérot interferometer, which measures aortic pressure with high accuracy, minimal delay, and reduced failure rates compared to older fluid-filled catheter systems. The fiber-optic sensor operates by detecting changes in light reflection within a cavity, enabling precise pressure measurements. 👍 If you find this video helpful, please like and subscribe to support our mission of creating high-quality educational content. #iabp #nursing #medicalstudent #cardiogenicshock