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Table 2 Summary of the initial screening and additional assessment for cardiac murmurs in asymptomatic newborns

From: Congenital heart disease diagnosed with echocardiogram in newborns with asymptomatic cardiac murmurs: a systematic review

  Initial screening Additional assessment
Sources Time Frequency Physicians Time Physicians
Ainsworth et al. 1999, [28] ≤ 48 h NP Neonatologist/obstetrician Within 24 h after the murmur was heard Pediatric cardiologist
Rein et al. 2000, [29] ≤ 5 d Daily Neonatologist Median 4 h from request for echocardiogram Pediatric cardiologist
Azhar et al. 2006, [24] 1–28 d NP Neonatologist NP Pediatric cardiologist
Mackie et al. 2009, [30] NP NP NP 2–31 days Pediatric cardiologist
Gokmen et al. 2009, [25] NP NP Pediatrician On the day of or the day after the initial screening Pediatric cardiologist
Mirzarahimi et al. 2011, [31] ≤ 24 h NP Pediatrician NP Pediatric cardiologist
Singh et al. 2012, [32] NP NP Middle grade neonatal trainee Median age 2 days Neonatologist
Al-Ammouri et al. 2016, [33] ≤ 48 h NP Pediatric resident ≤ 48 h Pediatric cardiologist
Minocha et al. 2018, [26] ≤ 72 h NP NP ≤ 72 h Pediatric cardiologist
Fenster et al. 2018, [34] ≤ 4 d NP NP Median age 2 days Pediatric cardiologist
Ceresnak et al. 2007, [35] 2nd day of life NP NP On the day of or the following day after the initial screening Pediatric cardiologist
Paech et al. 2013, [36] NP NP NP On the day of or the following day after the initial screening NP
  1. Abbreviations: NP, not provided