Sara Knippa, ms, rn, cns, ccrn, pccn, accns-ag, is the contributing editor of the column. Sara is clinical nurse specialist/educator in the cardiac intensive care unit at University of Colorado Hospital, Aurora, Colorado. She welcomes feedback from readers and practice questions from potential contributors at [email protected]. Sara wrote the introduction and CCRN review questions 3 through 5.


Leanna Leyes, bsn, rn, ccrn, is a clinical nurse in the intensive care unit at St. Charles Health System, Bend, Oregon. Leanna wrote CCRN review questions 1 and 2.


Alyson Dare Kelleher, bsn, rn, ccrn-k, Naperville, Illinois, has more than 10 years’ experience working with cardiac surgery patients. Alyson wrote CSC review question 3 and cowrote questions 1, 4, and 5.


Jennifer Popies, ms, rn, ccrn-...

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