ABSTRACT
History A 48-year-old woman presents with central crushing chest pain that radiates to her back. She has a history of poorly controlled hypertension. She is pale and sweaty. Blood pressure (BP) is 210/120 mmHg in both arms, pulse is 110 bpm regular, chest is clear, jugular venous pressure (JVP) and heart sounds are normal. She has been given 10 mg of i.v. morphine by the A&E staff with little improvement in her pain.
