ECG library
CardioNetworks ECGpedia · CC BY-SA 3.0 · source
Atrial fibrillation with rapid ventricular response
coreA 74-year-old with palpitations and breathlessness since this morning.
25 mm/s · 10 mm/mV · synthetic tracing
100%
Calipers:2000 ms50.0 small boxes30 bpm if R-RDrag the orange markers. One small box = 40 ms.
Recorded tracingA real 12-lead of this rhythm. The strip above is a drawn model; this is the paper.
Key findings
- Irregularly irregular RR intervals
- Absent P waves
- Fibrillatory baseline
Learning points
- March the RR intervals with calipers: no pattern at all means fibrillation.
- The three ward questions: rate control, rhythm decision, and anticoagulation by risk score.
Connected