What is the average heart rate for an infant and how would you know if they were in tachycardia? - Quora
Inter- and intraindividual variability in daily resting heart rate and its associations with age, sex, sleep, BMI, and time of year: Retrospective, longitudinal cohort study of 92,457 adults | PLOS ONE
![David Sinclair on Twitter: "Here's a table of resting heart rates (RHRs) for men. Women beat a bit higher. https://t.co/oxHyQnHdKp" / Twitter David Sinclair on Twitter: "Here's a table of resting heart rates (RHRs) for men. Women beat a bit higher. https://t.co/oxHyQnHdKp" / Twitter](https://pbs.twimg.com/media/EpQSu-fW8AM5gRS.jpg)