History taking -- Chest pain.
Introduce yourself and make the patient comfortable in the bed.
When did the pain start? Duration of the pain? Could you point out exactly the site of the pain? Type of pain? Is this the first time?
Radiation of pain to the jaw, arm or to the back etc? Any associated features like nausea, vomiting, sweating and breathlessness?
What makes the pain come on? (anxiety, emotion and palpitations). What makes it go? (stopping exercise). Any diurnal variation?
H/o smoking and alcohol?
H/o DM, HTN, Acid peptic disease?
Family h/o heart disease?
DD: Acute Myocardial Infarction, Angina, pericarditis, myocarditis, aortic dissection, PE, Pleurisy, Pneumothorax, oesophagitis + spasm, acid peptic disease, cholecystitis and pancreatitis, shingles, nerve root lesion and chest wall pathology.
Refer: Acute management of MI, Drugs in MI.