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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