a cause and effect relationship is implied when evidence of a true cause and effect relationship has not been established. How do we establish a contributory cause of disease? Going beyond a group association, what other requirements establish cause?

the ecg findings of an acute anterior myocardial infarction wall include: st segment elevation in the anterior leads (v3 and v4) at the j point and sometimes in the septal or lateral leads, depending on the extent of the mi. this st segment elevation is concave downward and frequently overwhelms the t wave.

explanation: