A Novel Presentation of Hemodynamic Decompensation With Cardiogenic Shock in a Patient With Partial Anomalous Pulmonary Venous Return

Wafaa Mansour; Jamil Qiqieh; Johnathan Stephan; Sara Gezahegn; Fadi Ayoub; Dawit K. Worku; Alehegn Gelaye

doi:10.12659/AJCR.953243

23 July 2026 : Case report USA

A Novel Presentation of Hemodynamic Decompensation With Cardiogenic Shock in a Patient With Partial Anomalous Pulmonary Venous Return

Congenital defects / diseases

Wafaa Mansour^{AEF 1*}, Jamil Qiqieh

^{EF 1}, Johnathan Stephan

^{E 2}, Sara Gezahegn

^{EF 3}, Fadi Ayoub^{E 1}, Dawit K. Worku

^{E 3}, Alehegn Gelaye

^{EF 3}

DOI: 10.12659/AJCR.953243

Am J Case Rep 2026; 27:e953243

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Table 2 Arterial blood gad trends show severe hypercapnic respiratory acidosis pre-intubation with improvement after ventilation; persistent hypercapnia with normal pH suggests chronic CO2 retention with metabolic compensation.

Parameter	Initial (pre-intubation)	Post-intubation	Reference range
pH	7.13	7.45	7.35–7.45
PaCO	116 mmHg	70 mmHg	35–45 mmHg
PaO	96 mmHg	97 mmHg	80–100 mmHg

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A Novel Presentation of Hemodynamic Decompensation With Cardiogenic Shock in a Patient With Partial Anomalous Pulmonary Venous Return

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