Infant age | < 1 y | NA |
Who characterizes the features of the event | Clinician | Caregiver |
Colour | Episodic pallor or cyanosis | Any colour change |
Breathing | Any breathing irregularities | Apnea |
Tone | Marked change in muscle tone | Any change in tone |
Choking or gagging | Not a symptom | Symptom |
Responsiveness | Altered level of responsiveness | Not a symptom |