Sinoatrial Node
Automaticity
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seel
.com · pacemaker · funny current · heart rate
membrane
-60
mV
rate
72
bpm
phase
diastolic drift
state
—
SA node pacemaker cell
Funny current (If) drift
Ca²⁺ upstroke / K⁺ reset
Membrane voltage trace
▶ Play
←
→
🔇 Unmute
Reset
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.com · Sinoatrial Node Automaticity