The diagnosis and management of tension pneumothorax. Tension pneumothorax is the progressive build-up of air within the pleural space, usually due to a lung laceration which allows air to escape into the pleural space but not to return. Positive pressure ventilation may exacerbate this 'one-way-valve' effect.
While technically the President cannot declare war without Congress, under the War Powers Resolution of 1973, the President can send troops into combat as long as he informs Câ¦ongress within 48 hours of doing so .
The American Congress has not formally declared war on any nation since. Congress has voted 23 times to authorize limited military engagements including Vietnam, Iraq and Afghanistan. Many of these votes come after American forces have already been engaged by the executive branch.