18.下列何種疾病引起之呼吸困難的發病型態 (onset mode) 是為突發性 (sudden onset)? (應選出全部答案) 1. Pneumothorax 2. Acute pulmonary embolism 3. Acute severe mitral regurgitation due to chordae tendineae rupture 4. Panic disorder related hyperventilation syndrome 5. ARDS (acute respiratory distress syndrome)
(A)1+2
(B)1+2+3
(C)1+2+3+4
(D)1+2+3+4+5
(E)1+2+4