Table 1.

The Home Video Telemetry Score for Single Ventricle Interstage Infants

Score	Respiratory Rate	Respiratory Effort	Color	Behavior	Skin	Appearance
0	20 to 39	No accessory muscle use, no retractions	Pink or mild cyanosis	Playing/sleeping appropriately, baseline activity, smiling, and tracking parents	No wound concern/rash	Expected appearance
1	40 to 49	Mild subcostal retractions	Pale	Sleepy, somnolent when not disturbed	Wound infection concerns (erythema/swelling/discharge) or rash	Mild concern
2	50 to 59	Moderate subcostal retractions, flaring	Gray	Irritable, difficult to console		Significant concern
3	60 to 69	Suprasternal/intercostal retractions	Gray and mottled	Lethargic, floppy, reduced response to stimulation or pain
4	<20 or ≥70	Severe subcostal retractions, head bobbing, paradoxical breathing