Unilateral diminished or absent breath sounds
Hypotension or evidence of hypoperfusion
Distended neck veins
May not occur if patient is hypovolemic
Contralateral Tracheal deviation (late sign)
Type of obstructive shock since prevents venous return to the right side of the heart
May not occur if patient is hypovolemic
Tension pneumothorax
Spontaneous pneumothorax
Hemothorax
Catamenial pneumothorax
Chylothorax
Traumatic pneumothorax
Iatrogenic pneumothorax
Pneumopericardium