Fig. 3.

Case 3. HeartLogic sensor trends from a long-term care facility resident who was asymptomatic at the time of severe acute respiratory syndrome novel coronavirus-2 testing (red vertical line). A steep increase in respiratory rate, RSBI, nighttime heart rate, S1, temperature, and thoracic impedance and a decrease in S3 and activity level were noted with infection. Major symptom recovery (green vertical line) was associated with recovery of sensor trends. A baseline was calculated for each sensor trend (tan shaded interval). Maximum and minimum values are indicated with red dots. RSBI, rapid shallow breathing index.