Polysomnogram of CSA in a Patient With Heart Failure: Overnight polysomnography performed in a sleep laboratory remains the gold standard for diagnosing sleep-disordered breathing. The image highlights characteristic findings of central sleep apnea (CSA) on a polysomnogram. | Costanzo, M. R., Khayat, R., Ponikowski, P., Augostini, R., Stellbrink, C., Mianulli, M., & Abraham, W. T. (2015). Mechanisms and clinical consequences of untreated central sleep apnea in heart failure. Journal of the American College of Cardiology, 65(1), 72–84.

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