79. 有關先天性心臟病-心房中膈缺損的陳述,何者為非? (A)雖然卵圓孔開放..-阿摩線上測驗
1F Yen-Ju Chu 小一下 (2016/06/14)
PFO left to right shunt除了newborn時期以外不常見,在左心房volume load或壓力上升時可能出現 Isolated PFO不需要治療,但可能出現paradoxical systemic embolization,young adult若有thromboembolic stroke可以考慮Device closure。 ASD Female:male = 3:1 Atrial left to right shunt => constantly increased RV diastolic volume=> prolonged RV ejection time => wide and fixed S2 splitting RA dilatation => arrythmia, Increase pulmonary resistence => pulmonary hypertension |