Which of the following is false about hemoptysis
Massive hemoptysis is bleeding >200-600 cc in 24 hours
In 90% cases, bleeding from brochial aeries
CT chest is the first investigation done
In an unstable, rigid bronchoscopy is done to identify the lesion.
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.
Respiratory system