The Pacemaker of the Heart - SA and AV Nodes Made EASY!

In this video, I talk about the pacemaker potential of the heart. We're going to dig into the SA and AV Nodes, how they work, and what happens when things go wrong. Check it out and enjoy!

Time Stamps:
00:00 Intro
00:22 SA Node
01:11 AV Node
01:47 Bundle of His to Purkinje
02:10 Conducting Electricity
02:32 Pacemaker Potential
03:09 Sodium ions
03:58 Calcium ions
04:51 Potassium ions
05:38 Pacemaker Potential Review
06:40 Redistribution of ions
07:38 SA Node Problems
08:52 Question

[cassball]

I’m in Pharmacy school and this helped me a lot! From on Caribbean person to another THANK YOU! God bless

[PoojaGautam-mv]

i have been panicking for so long thank god i found this video. thanks a lot sir

[kaylacote]

You are a life-saver! Your enthusiasm sparks my interest and has been the key to my understanding of human physiology this semester. Thank you!!

[Anthony-qphb]

right when i was googling how potassium gets back in, my man here was one step ahead!!

[cherylwiest]

Your videos are educational and much more interesting than the typical biology videos. Your unique presentation style helps me to remember more details. Best of luck with your Project 30 challenge.

[martha]

Am so glad I found this channel, grabbing it all at once more than I expected. Thanks so much 🤝🤝🤝.

[CrazyBee-mq]

I'm in college right now and you are a lifesaver the way you explain things.

[kaylagrant]

Awesome video! I am in veterinary school right now and this is making things 10 times clearer. Thanks so much!!

[mariac]

Sick videos. You really make this hard topic a lot more manageable. Great animations

[elinenajim]

Watching this while smiling 😊😊😊cause I see myself understanding with ease, sodium in, calcium in, potassium out 😂interesting

[sindirodriguez]

I should have watched this when I was in BIOL 224. Sodium in, calcium in potassium out….you made it simple!

[itsjoychioma]

this has been a LIFE SAVER thank you so much!!! love the fun and light personality it really helps learning a dense class like A&P!!

[EnochBrown-sj]

Absolutely wonderful video. Thank you, sir!!!

[vs]

Very good video Leslie. Easy to understand and with good expanation. Good luck with your project.

[horcadanielap.]

Thanks for making it easier to understand!

[GuidanceFromAllah-nk]

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[LimaAminu]

Thank you so much. I have been following your videos since yesterday. I hope to watch more of your videos ❤️❤️

[nutakorkingsley]

Wow. Didn't know SA nodes are cardiac muscle cells. Thank you. I really like your energy🔥

[mikailastromer]

Thank you Leslie, excellent video. My midterm for anatomy and physiology is tomorrow and I’m so nervous however your Cardiovascular videos have been a life saver. Much love from PNW❤

[yoladidier]

I just love these videos. It brings the learning home in a dynamic way.