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From the Annals of Internal Medicine: Curiosity

Old (1999), but still good. Even when I first wrote this, and even older now.

When I was a house officer and installing one of the first right-heart catheters, the machine that showed intrapulmonic arterial pressures was enormous and was equipped with strain gauges rather than computer chips. Making it work was difficult. After the line was in, the attending, the nurse, and I tried desperately to adjust the machine to show the pulmonary arterial pressure waves. We could not get them. The line on the screen remained flat. We manipulated toggle switches and strain gauges for about 15 minutes. Nothing. Finally, I glanced at the patient: He was dead.

The story after that is even better.

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