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Research Snapshot Theater: Cardiovascular, Adult I

Short QTC and Sinus Bradycardia as Mortality Predictors in Aluminum Phosphide Poisoning on VA ECMO

Sunday, March 22, 2026
9:45 AM - 10:45 AM Central Time
Location: Connections Central - RST 02

  • Omar Farghaly, N/A (he/him/his)

    Egypt

    Disclosure(s): No relevant financial relationship(s) to disclose.

  • AT

    Ahmed Taher, N/A

    Assistant professor of critical care medicine.
    Kasralainy, Cairo University

    Disclosure information not submitted.

  • AY

    Ahmed Yehia, N/A

    Lecturer of critical care medicine
    Kasralainy, Cairo University

    Disclosure information not submitted.

  • AA

    Akram Abdelbary, n/a

    Professor of critical care medicine and head of ECMO unit
    Cairo University Hospitals, Egypt

    Disclosure information not submitted.

Introduction: Patients with cardiogenic shock secondary to aluminum phosphide poisoning showed dynamic Electrocardiographic changes.


Methods: Analysis of standard 12 lead ECG tracings done on the day of admission for all
patients admitted in the ECMO unit of critical care department, Cairo University from January
2021 to December 2024.
Parameters included were (Rate, QT interval, QT Dispersion, corrected QT (QTc), PR interval,
PR segment, and Arrhythmias), Statistical analysis and Correlation to mortality were done via
ROC Analysis Curve and area under the curve.


Results: 61 patients of aluminum phosphide poisoning connected to VA
ECMO, the analyzed 12 lead ECG tracings showed cut off value for QTc < 318 ms
And HR < 86 bpm were significantly related to mortality (P=0.007, < 0.001 ),(R=0.760, 0.96) ,
(Sensitivity= 85.1%, 93.3%) and (Specificity=83.6%, 93.5% ) respectively.
But QT interval (316±55)(p= 0.845), QT Dispersion(48±23)(P=0.066), PR interval (104±55)
(p=0.697) and PR segment (51±35)(p=0.850) were not related to mortality.


Conclusions: QTc < 318 ms and HR < 86 bpm on admission may be predictors of mortality in
Patients with Aluminum Phosphide Poisoning induced cardiogenic shock Connected to VA ECMO