Heart attack banker’s airway tube may have been blocked

  A banker may have suffered a heart attack at a top private hospital because of a 5cm blockage in his airway tube, an inquest heard. Robert Entenman, 57, went into cardiac arrest at London Bridge Hospital a week after a routine operation to repair a heart valve. Staff had trouble ventilating Mr Entenman in a problem believed to be linked to the humidifier for the tube being turned off, Southwark Coroner’s Court heard. Mr Entenman, the New York-born head…