Breathing Injuries Condition Findings Tension pneumothorax One-way valve air injuries to chest >> mediastinum shift, hypotension, unilat. absence of breath sounds, neck vein distention, tachy, hyperresonance, chest pain Massive Hemothorax >1.5L (1/3) blood in one side of chest >> neck vein distended or flat, shock, absent breath sounds, dull percussion Open pneumothorax Pain, DIB, tachypnoea, dec. breath sounds on affected side, resonant percussion Tracheal or Bronchial injuries Hemoptysis, cervical subcut emphysema, cyanosis, tension pneumo Simple pneumothorax Chest bruising, laceration, contusion, red. Breath sounds, hyperresonance Simple hemothorax <1.5L blood, chest wall injuries, red. Breath sounds, dull percussion Fracture ribs Pain, bruising, deformity, red. expansion Flail chest Segment of ribs/ chest wall lacks continuity with thoracic cage, multiple # ribs (>2 ribs, in >2 places) Pulmonary contusion Bruising of lung, chest injury, pain, #ribs