Pathophysiology
• afterload
• anatomic shunt
• anoxia
• anuria
• autoinfusion
• autotransfusion
• azotemia
• blood urea nitrogen (BUN)
• brain death
• cardiac asthma
• cardiac insufficiency
• cellular edema
• dead space like ventilation
• dehydration
• diffusion impairment
• disease
• dyspnea
• eccentric hypertrophy
• edema