A man in his twenties from the Middle East with acute abdominal pain and jaundice.

A man in his twenties was admitted to the Department of Surgery for abdominal pain with intermittent worsening over 12 hours. Investigation revealed a disorder rarely seen in Norwegian hospitals.

[Measurement of troponin I levels in suspected myocardial infarction].

Serum cardiac troponin I-values were compared to conventionally obtained diagnosis in 319 consecutive patients suspected of having myocardial infarction, of which 46 patients were given this diagnosis. All patients with troponin I > 20 micrograms/l (n = 40) also had abnormal creatine kinase and abnormal creatine kinase isoenzyme MB activity. All patients with troponin I values in the range 1.