Nikolas
Created page with "'''Haemoptysis''' (or '''haemoptoe''') refers to expectoration (coughing up) of blood originating from the lower respiratory tract. In most cases, haemoptysis is small and not life-threatening, originating from the pulmonary circulation. Life-threatening (also called “massive”) haemoptysis usually originates from the (higher pressure) bronchial circulation and is life-threatening due to large amounts of blood causing airway obstruction, significant gas exchange abnor..."
