![Calum MacDonald on Twitter: "Lying in bed, checked my resting heart rate. 40bpm!! #athlete http://t.co/rytJT4XI7b" / Twitter Calum MacDonald on Twitter: "Lying in bed, checked my resting heart rate. 40bpm!! #athlete http://t.co/rytJT4XI7b" / Twitter](https://pbs.twimg.com/media/BN4yWvhCEAAfCG4.png)
Calum MacDonald on Twitter: "Lying in bed, checked my resting heart rate. 40bpm!! #athlete http://t.co/rytJT4XI7b" / Twitter
![TIL: Atheletes have a resting heart rate of 40 bpm whereas others have it at around 70 bpm. Because they have stronger heart muscles. : r/todayilearned TIL: Atheletes have a resting heart rate of 40 bpm whereas others have it at around 70 bpm. Because they have stronger heart muscles. : r/todayilearned](https://external-preview.redd.it/LOsMSpqFGeKV47HQAcoRoou2X_VyAbR8ypwEV3JW7ew.jpg?width=640&crop=smart&auto=webp&s=de109e0837671cc46a700ea928544bf645755f87)
TIL: Atheletes have a resting heart rate of 40 bpm whereas others have it at around 70 bpm. Because they have stronger heart muscles. : r/todayilearned
![ECG demonstrates sinus bradycardia with a heart rate of 40 bpm. The... | Download Scientific Diagram ECG demonstrates sinus bradycardia with a heart rate of 40 bpm. The... | Download Scientific Diagram](https://www.researchgate.net/profile/Kimberly-Harmon/publication/234099417/figure/fig2/AS:300079798865923@1448556007923/ECG-demonstrates-sinus-bradycardia-with-a-heart-rate-of-40-bpm-The-three-required.png)
ECG demonstrates sinus bradycardia with a heart rate of 40 bpm. The... | Download Scientific Diagram
![Complete atrioventricular block with a ventricular escape rhythm of 40... | Download Scientific Diagram Complete atrioventricular block with a ventricular escape rhythm of 40... | Download Scientific Diagram](https://www.researchgate.net/publication/335042507/figure/fig2/AS:789647139536904@1565277957805/Complete-atrioventricular-block-with-a-ventricular-escape-rhythm-of-40-bpm-with-a_Q640.jpg)
Complete atrioventricular block with a ventricular escape rhythm of 40... | Download Scientific Diagram
![Low Heart Rate Notifications - has anyone else experienced this? Only dip below 40 when sleeping. Since October I have stopped drinking wine at home...maybe my heart is happy about that 🤷♂️ : Low Heart Rate Notifications - has anyone else experienced this? Only dip below 40 when sleeping. Since October I have stopped drinking wine at home...maybe my heart is happy about that 🤷♂️ :](https://preview.redd.it/205k54jti4b41.jpg?width=640&crop=smart&auto=webp&s=ed9abbe179340eb6565598528c1540b3ee7d2e52)