title: Tension pneumothorax complicating small-caliber chest tube insertion.
abstract: We report two patients who developed tension pneumothorax as a result of improper attachment of a Heimlich valve to a chest tube.
authors.affiliation: Department of Internal Medicine, St. Louis University Medical Center.
authors.forename: S E
authors.initials: SE
authors.lastname: Mainini
authors.forename: F E
authors.initials: FE
authors.lastname: Johnson
mesh_terms: D000328:Adult; D015505:Chest Tubes / Q000009:adverse effects*; D004867:Equipment Design; D004868:Equipment Failure; D006801:Humans; D008297:Male; D008875:Middle Aged; D011030:Pneumothorax / Q000209:etiology*; D013907:Thoracostomy / Q000295:instrumentation