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Results 1 - 1 of 1 for Simple ear
  1. Respiratory Failure (National Library of Medicine)  
    ... the end of your finger or on your ear. Arterial blood gas test, a test that measures ... you may have an EKG (electrocardiogram). This is simple, painless test that detects and records your heart's ...
    https://medlineplus.gov/respiratoryfailure.html - Health Topics