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20 December 2025
0:18
20 December 2025
18 hours ago
YouTubeCARDIOLOGY🫀
⚡️ Nodal vs Non-Nodal Action Potentials ⚡️ Nodal cells (SA node, AV node): • “Slow-response” action potentials • Calcium-driven Phase 0 → slower upstroke • No true resting membrane potential • Spontaneous depolarization = automaticity Non-nodal cells (atria, ventricles, Purkinje): • “Fast-response” action potentials • Sodium-driven Phase 0 → rapid upstroke • True resting membrane potential • Fire when stimulated 📌 Take-home: Nodal = slow, Ca²⁺-dependent, automatic. Non-nodal = fast, Na⁺-depende
0:36
⚡️ Nodal vs Non-Nodal Action Potentials ⚡️ Nodal cells (SA nod…
722 views1 week ago
TikTokthe.rhythm.vet
Nervous tissue - الالياف العصبية (part 2)
15:35
Nervous tissue - الالياف العصبية (part 2)
21 hours ago
YouTubeMedical Courses Online _ كورسات طبية اونلاين
pharmacology 101: Lidocaine MECHANISM: Voltage-gated sodium channel blocker → No depolarization → No pain signal. Understand the pharmacology behind the numbness.
1:17
pharmacology 101: Lidocaine MECHANISM: Voltage-gated sodiu…
287 views5 days ago
TikTokrise.mentorship
NEET 2026 Hindi Medium | Nervous System Control &Coordination One Shot | NCERT Full Biology Revision
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NEET 2026 Hindi Medium | Nervous System Control &Coordination On…
367 views1 week ago
YouTubeShiksha Nation
BREAKING: Foreigners Dump $61 BILLION of Treasury Bonds-- End of Reserve Currency = A Good Thing?
15:36
BREAKING: Foreigners Dump $61 BILLION of Treasury Bonds-- End …
50 views15 hours ago
YouTubeInfranomics
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