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Table 4 Reason for peri-arrest code blue activation

From: In-hospital cardiac arrest incidence and outcomes in the era of COVID-19: an observational study in a Singapore hospital

Peri-arrest cause Pre-COVID-19 period (n = 24) COVID-19 period (n = 29)
Airway obstruction (%) 0 (0) 1* (3.4)
RR (%) 0 (0) 2 (6.8)
SpO2 (%) 9 (37.5) 6 (20.7)
HR (%) 3 (12.5) 1 (3.4)
SBP (%) 5 (20.8) 12 (41.4)
Others (%) 7# (29.2) 7# (24.1)
  1. RR respiratory rate, SpO2 peripheral capillary oxygen saturation, HR heart rate, SBP systolic blood pressure
  2. *Code blue activated for massive bleeding from tracheostomy site
  3. #Code blue activated for acute drop in Glascow Coma Score with concerns of airway patency