In 1929, W. Forssmann performed the first human heart cath on himself.

INTERESTING FACT

In 1929, W. Forssmann performed the first human heart cath on himself. He tricked the OR nurse, put himself under local anesthesia, inserted a catheter into his arm, then walked to the X-ray room to see if it reached his heart. He was fired from the hospital, but awarded the Nobel Prize in 1956. Amazing WTF Facts