Take Me Higher: A Case of Heart Failure at High Altitude Detected Using the CardioMEMS™ HF System.

BACKGROUND The heart failure patient population can be challenging to treat and monitor. This is especially true when they travel to high altitudes where changes in pressure can affect their clinical status. The CardioMEMS™ HF System (Abbott Cardiovascular, Abbott Park, IL, USA) is an implanted miniature wireless device located in the pulmonary artery that transmits data on pulmonary artery pressure and heart rate.