Hemoptysis is said to be massive when it exceeds what amount in 24hours?: (A) 400mL, (B) 500mL, (C) 600mL, (D) 800mL
Answer is C. Massive hemoptysis is generally defined as expectoration of over 600 mL of blood within a 24hour period. It is a medical emergency associated with a moality rate of 30 to 50%. Ref: Harrison; 20th edition pg 233