Why the study?
Intermittent Wolff–Parkinson–White syndrome is a variant that is usually unrecognized unless a provoking factor occurs during ECG monitoring, and its occurrence following anaphylaxis is not well described.
Observational (n=14,697)
Yes
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Despite the high frequency of snakebites in Saudi Arabia, rapid administration of antivenom results in an extremely low mortality rate (0.24%).
Wolff–Parkinson–White (WPW) syndrome is a congenital heart disease typically diagnosed by electrocardiographic (ECG) findings of delta waves, widened QRS complex, and shortened PR interval. Intermittent WPW syndrome is a variant, in which these features occur sporadically and are usually not recognized until later in life unless there is a provoking factor during ECG monitoring. In our patient who was brought to the emergency department because of anaphylaxis, intermittent WPW pattern was observed on ECG; following intravenous epinephrine administration and complete resolution of anaphylactic symptoms, WPW findings disappeared.
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Hatun et al. (2026) conducted an observational in Snakebite envenomation (n=14,697). Snakebite envenomation was evaluated on Mortality rate.
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