pericarditity

pericarditity may be a complication of myocardial infarction ,tends to occur one day later or two, furthermore ,it can occur as a part of various connective tissue disorders,such as tuberculosis.

symtom:stabbing chest pain ,lasting a second or two,can be relieved by sitiing up or leaning forward.

incentive:upper respiratory infection.

ST segment :concave upwards.