Heimlich valve is used for drainage of: (A) Pneumothorax, (B) Hemothorax, (C) Emphyema, (D) Malignant plural effusion
Answer is A. The Heimlich valve(flutter valve)is a small one-way valve used for chest drainage that empties into a flexible collection device & prevents return of gases or fluids into the pleural space.The heimlich valve is less than 13 cm long and facilitates patient ambulation. Reference:SRB's manual of surgery,5th edition,page no:1116.