Hemoptysis Bleeding from lower respiratory tract The amount varies from blood-strained sputum to several hundreds ml pure blood ■Mild:<100m/d ■Moderate:100-500/d Severe:>500 ml/d,or 100-500 ml/time Differential diagnosis Bleeding from upper respiratory tract Hematemesis
Hemoptysis Bleeding from lower respiratory tract The amount varies from blood-strained sputum to several hundreds ml pure blood ◼ Mild: 100ml/d ◼ Moderate: 100-500/d ◼ Severe: >500 ml/d, or 100-500 ml/time Differential diagnosis ◼ Bleeding from upper respiratory tract ◼ Hematemesis
Distinguished hemoptysis from hematemesis Hemoptysis Hematemesis Causes Pulmo or cardiac digestive system Previous symptoms Cough,chest Nausea,vomiting tightness Spit up Cough up Vomited Color Bright red Dark red Mixture Sputum,frothy Gastric contents pH alkality acidity Tarry stools -or+ Post-bleeding Sputum with blood No sputum
Distinguished hemoptysis from hematemesis Hemoptysis Hematemesis Causes Pulmo or cardiac digestive system Previous symptoms Cough, chest tightness Nausea, vomiting Spit up Cough up Vomited Color Bright red Dark red Mixture Sputum, frothy Gastric contents pH alkality acidity Tarry stools - or + + Post-bleeding Sputum with blood No sputum