. Author manuscript; available in PMC: 2019 Sep 27.

Published in final edited form as: J Emerg Nurs. 2011 Dec 3;38(1):9–14. doi: 10.1016/j.jen.2011.09.001

TABLE.

Summary of articles about PH ECG

Author (date of publication)	Purpose	Inclusion criteria	Outcome variables	Level of evidence
Canto et al⁸ (1997)	To compare characteristics and outcomes of patients with or without PH ECG	Hospitalized patients with AMI who presented by ambulance to emergency department	Time to first ECG, time to reperfusion therapy, clinical outcomes (reinfarction, heart failure, hypotension, death)	IIb
Ioannidis et al⁹ (2001)	To assess diagnostic performance of PH ECG	Studies about patients with chest pain who received PH ECG; both RCT and non-RCT studies included for meta-analysis	Sensitivity, specificity, clinical outcomes (death)	Ia
Brainard et al⁶ (2005)	To compare time to reperfusion in patients with or without PH ECG	Studies that reported time savings of PH ECG; all needed to report original data	Onset of symptoms—to—reperfusion time	Ia
Curtis et al⁷ (2006)	To evaluate prevalence of PH ECG and effects of PH ECG on reperfusion times	Patients with STEMI or new left bundle branch block who received acute reperfusion therapy	Door-to-drug time and door-to-balloon time	IIb
Eckstein et al¹⁰ (2009)	To compare time to reperfusion in patients with or without PH ECG	Patients with admission diagnosis of STEMI	Door-to-balloon time	IIb
Diercks et al¹² (2009)	To compare time to reperfusion and clinical outcomes in patients with or without PH ECG	Patients with admission diagnosis of STEMI	Door-to-balloon time, clinical outcomes (death, heart failure, cardiogenic shock)	IIb
Drew et al¹³ (2011)	To compare time to reperfusion and clinical outcomes (scene time) in patients with or without PH ECG	Patients activating EMS with chest pain and/or anginal equivalent	Scene time, time to first ECG, time to reperfusion, clinical outcomes (death)	Ib

AMI, Acute myocardial I’nfarction; RCT, randomized control trial.