Shunt hemodynamics (left-right and right-left): from simple to complex concepts and calculations скачать в хорошем качестве

Shunt hemodynamics (left-right and right-left): from simple to complex concepts and calculations

0:00 Diagnosis of left-to-right and right-to-left shunt 11:17 Left-to-right shunt calculations, Qp, Qs, scheme or systemic and pulmonic inflow and outflow 19:23 Quick Qp/Qs calculation 20:50 Qp/Qs pitfall 1. Effect of cardiac output. Effect of Hb-O2 dissociation curve 24:54 Qp/Qs pitfall 2 26:14 Case analysis 28:55 Qp/Qs pitfall 3. Effect of O2 therapy on calculations, O2 dissociation curve and Fick 34:05 Qp/Qs pitfall 4 How to calculate PVR in shunts. Do not use the term CO in shunts. Distinguish Qp and Qs. Importance of absolute flow measurements withe Fick 36:15 Thermodilution is useless in shunt cases. Explanations 38:23 Qp/Qs pitfall 5. Limitations in bidirectional shunts. Importance of absolute flow measurements 41:30 Three types of right-to-left shunt in adults 42:14 Hypoxemia in PAH: right-to-left shunt secondary to PAH rather than causal 44:30 PAH secondary to a shunt. 4 Stages of PAH in left-to-right shunt (47:00) 51:33 Isolated right-to-left shunt from PFO streaming phenomenon with normal hemodynamics 59:06 Complex case analysis, bidirectional shunt, calculations 01:03:40 Measurement of Q effective and absolute shunt flows in bidirectional shunts