…which involves the arch without involvement of the ascending aorta or represents retrograde extension from the descending aorta into the arch that stops before reaching…

…or a very strong clinical suspicion. 3. Give intravenous calcium in the presence of hyperkalaemic ECG changes or arrhythmia. 4. Shift potassium into the cells…

…encompasses two temporally and clinically distinct complications of acute myocardial infarction (AMI): Early infarct associated pericarditis , which develops from several hours to approximately 4 days…

…ischemia : LBBB causes severe disturbance of ventricular repolarization, which usually prevents other ST T changes (such as those arising from ischemia) to come to expression…