![](https://ucarecdn.com/38627291-724b-461d-b3a9-1fbf00f472dc/-/format/auto/-/preview/1920x1920/-/quality/lighter/learn%20some%20ecg%20strips.jpg)
Learn Some Heart Rhythm Strips
1. Sinus Brady — heart rate is less than 60
![Sinus Brady — heart rate is less than 60](https://ucarecdn.com/c6e0efe0-398e-4352-9fac-3b6d1195648b/-/format/auto/-/preview/3000x3000/-/quality/lighter/1-sinus%20brady.jpg)
2. Normal Sinus Rhythm
![Normal Sinus Rhythm](https://ucarecdn.com/3c26e63c-abf5-40ba-b1fa-37b674fc3b5f/-/format/auto/-/preview/3000x3000/-/quality/lighter/2-normal%20sinus%20rhythm.jpg)
3. Normal Sinus Rhythm
![Normal Sinus Rhythm](https://ucarecdn.com/3497961f-9d24-4bbd-ada4-b87c8259e316/-/format/auto/-/preview/3000x3000/-/quality/lighter/3-normal%20sinus%20rhythm.jpg)
4. Supraventricular Tachycardia (SVT) Narrow complex tachycardia
![Supraventricular Tachycardia (SVT) Narrow complex tachycardia](https://ucarecdn.com/44f04c2a-c784-4dfc-8e3e-3b16c4fb13d0/-/format/auto/-/preview/3000x3000/-/quality/lighter/4-SVT.jpg)
5. Sinus Tachycardia — heart rate greater than 100
![Sinus Tachycardia — heart rate greater than 100](https://ucarecdn.com/1401677b-1c18-469a-8eb5-a1bc15ad0c4c/-/format/auto/-/preview/3000x3000/-/quality/lighter/5-sinus%20tachycardia.jpg)
6. Normal Sinus Rhythm
![Normal Sinus Rhythm](https://ucarecdn.com/251cf993-1193-457f-a06d-1609fc1cc1b3/-/format/auto/-/preview/3000x3000/-/quality/lighter/6-normal%20sinus%20rhythm.jpg)
7. Normal Sinus Rhythm
![Normal Sinus Rhythm](https://ucarecdn.com/189cff3b-2dfe-4720-b74f-7f47fbcc0465/-/format/auto/-/preview/3000x3000/-/quality/lighter/7-normal%20sinus%20rhythm.jpg)
8. Sinus Arrhythmia (rhythm slightly irregular)
![Normal Sinus Rhythm](https://ucarecdn.com/0a197699-5367-4138-8545-05b66588cc0c/-/format/auto/-/preview/3000x3000/-/quality/lighter/8-sinus%20arrhythmias.jpg)
9. Supraventricular Tachycardia (SVT) Narrow complex tachycardia
![Supraventricular Tachycardia (SVT) Narrow complex tachycardia](https://ucarecdn.com/f73d893b-b880-4393-8ee9-b8d5e3fa75d1/-/format/auto/-/preview/3000x3000/-/quality/lighter/9-SVT.jpg)
10. Sinus Bradycardia (heart rate less than 60)
![Sinus Bradycardia (heart rate less than 60)](https://ucarecdn.com/b84ef591-5387-43a4-9a95-5faf478f77ac/-/format/auto/-/preview/3000x3000/-/quality/lighter/10-bradycardia.jpg)
11. Sinus Bradycardia — 1st Degree AV Block (PR 0.22 seconds)
![Sinus Bradycardia — 1st Degree AV Block (PR 0.22 seconds)](https://ucarecdn.com/43806a34-c582-4d5c-b24b-e7769b28033e/-/format/auto/-/preview/3000x3000/-/quality/lighter/11-sinua%20bradycardia_1st%20degree%20AV%20block_.jpg)
12. Sinus Tachycardia — heart rate greater than 100
![Sinus Tachycardia — heart rate greater than 100](https://ucarecdn.com/b3d82a20-4ca4-4cff-bc9e-1aceab90193a/-/format/auto/-/preview/3000x3000/-/quality/lighter/12-sinus%20tachycardia.jpg)
13. Wandering atrial pacemaker (p waves look different)
![Wandering atrial pacemaker (p waves look different)](https://ucarecdn.com/78ce9292-28e3-4acf-a378-4e2882f179b8/-/format/auto/-/preview/3000x3000/-/quality/lighter/13-wandering%20atrial%20pacemaker.jpg)
14. Atrial Fibrillation (rate 140): Irregular without discernible P waves
![Atrial Fibrillation (rate 140): Irregular without discernible P waves](https://ucarecdn.com/5bc7a54c-c7fb-4f14-9837-6006abe86fde/-/format/auto/-/preview/3000x3000/-/quality/lighter/14-atrial%20fibrillation.jpg)
15. Sinus Rhythm with a PAC: 4th beat is early and narrow with compensatory pause
![Sinus Rhythm with a PAC: 4th beat is early and narrow with compensatory pause](https://ucarecdn.com/47cc3cb7-dfe3-4a26-94fb-20112c5e692d/-/format/auto/-/preview/3000x3000/-/quality/lighter/15-sinus%20rhythm%20with%20a%20PAC.jpg)
16. Atrial Fibrillation (rate 100): Irregular without discernible P waves
![Atrial Fibrillation (rate 100): Irregular without discernible P waves](https://ucarecdn.com/a927f4fe-2e20-456b-8445-e4f79aa79785/-/format/auto/-/preview/3000x3000/-/quality/lighter/16-atrial%20fibrillation.jpg)
17. Sinus Arrhythmia (rhythm slightly irregular)
![Sinus Arrhythmia (rhythm slightly irregular)](https://ucarecdn.com/4591623f-9c71-45eb-bd75-a5c8ca40f0dd/-/format/auto/-/preview/3000x3000/-/quality/lighter/17-sinus%20arrhythmias.jpg)
18. Atrial Fibrillation rate of 90 (irregular with no discernable P waves)
![Atrial Fibrillation rate of 90 (irregular with no discernable P waves)](https://ucarecdn.com/b7d1b94f-d5c8-4a87-b878-f7abb2787f73/-/format/auto/-/preview/3000x3000/-/quality/lighter/18-atrial%20fibrillation%20rate%20of%2090.jpg)
19. Second Degree AV Block Type I (Wenckebach) PR longer, longer, dropped beat
![Second Degree AV Block Type I (Wenckebach) PR longer, longer, dropped beat](https://ucarecdn.com/0acaacc2-2a62-4899-972b-e9497ab2fa86/-/format/auto/-/preview/3000x3000/-/quality/lighter/19-dropped%20beat.jpg)
20. Sinus Rhythm with multifocal PVCs (PVCs look different from each other)
![Sinus Rhythm with multifocal PVCs (PVCs look different from each other)](https://ucarecdn.com/a94a44c5-b861-4fe9-85f4-ec073ea13b54/-/format/auto/-/preview/3000x3000/-/quality/lighter/20-sinus%20rhythm%20with%20multifocal%20PVCs.jpg)
21. Sinus Rhythm with a PVC (Premature wide complex beat)
![Sinus Rhythm with a PVC (Premature wide complex beat)](https://ucarecdn.com/350dd145-d84f-4c65-902d-acb790a46ed4/-/format/auto/-/preview/3000x3000/-/quality/lighter/21-sinus%20rhythm%20with%20a%20PAC.jpg)
22. Sinus Arrhythmia with wandering atrial pacemaker
![Sinus Arrhythmia with wandering atrial pacemaker](https://ucarecdn.com/cdb41a24-ae1b-40de-b724-64b4095d26cc/-/format/auto/-/preview/3000x3000/-/quality/lighter/22-sinus%20arrhythmias%20with%20wandering%20atrial%20pacemaker.jpg)
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