Outcome of primary angioplasty for acute myocardial infarction during routine duty hours versus during off-hours
Jose P. S. Henriques, MD*,
Arnout P. Haasdijk, MD*,
Felix Zijlstra, MD, PhD*,* Zwolle Myocardial Infarction Study GroupAppendix
* Isala Klinieken, Hospital De Weezenlanden, Department of Cardiology, Zwolle, Netherlands

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Figure 1 Circadian variation in time of symptom onset, hospital admission, first balloon inflation, and 30-day mortality (n = 1,702). The bars designate the number of patients of the variables: Symptom Onset, Hospital Admission, and 1st Balloon Inflation. The lines demonstrate more clearly the variation during the day with respect to Symptom Onset, Hospital Admission, 1st Balloon Inflation, and 30-Day Mortality. *30-day mortality.
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Figure 2 Failed primary angioplasty in patients treated within normal duty hours and off-hours.
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Figure 3 Thirty-day mortality in patients treated within normal duty hours and off-hours.
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