Faulty Calibration
Report:
Sinus rhythm
Faulty standardisation (upper left-hand corner)
Sloping ST segment depression probably due to faulty standardisation
Comment:
The repeat trace in the CCU was completely normal (Fig 201a below). Instead of receiving an apology and being sent home, the woman was kept 24 hours in the CCU, by the same Cardiologist who sent her there in the first place144!
Taking 12-lead ECGs is not always a harmless tribute to our science; much depends on who orders it and, even more importantly, who acts on it.
201a. Note the correct standard in the left upper corner. 202. 37 year old alcoholic with bleeding varices
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