Which of the following is false about hemoptysis
Massive hemoptysis is variably defined as hemoptysis of greater than 200-600 cc in 24 hrs.The most common site of hemoptysis is bleeding from bronchial aeries of small-to medium-sized airways.The first investigation of choice is a standard chest radiograph.If a source of bleeding is not identified on plain film,a CT of the chest should be obtained.In unstable patients,rigid bronchoscopy can be done to visualise the endobronchial lesions. Reference:Harrison's medicine-18th edition,page no:285.