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17.評估心臟疾病程度的公式，下列何者錯誤？
(A)CFR（coronary flow reserve）= peak hyperemia myocardial blood flow / rest myocardial blood flow
(B)EF（ejection fraction）= end systolic count / end diastolic count
(C)FFR（fractional flow reserve）= distal coronary pressure / proximal coronary pressure
(D)HMR（heart mediastinum ratio）= heart mean count / mediastinal mean count
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統計： A(51), B(785), C(90), D(60), E(0) #3283237
統計： A(51), B(785), C(90), D(60), E(0) #3283237
