What features are characteristic of myocardial ischemia?
Features that are characteristic of myocardial ischemia include pain that is not pleuritic (sharp or knifelike pain provoked by respiration or cough), pain localized by the tip of one finger, particularly at the LV apex or costochondral junction, pain reproduced with movement or palpation of the chest wall or arms, brief episodes of pain lasting a few seconds or less, pain that is of maximal intensity at onset, and pain that radiates into the lower extremities.