Conduction system of heart physiology I Cardiovascular system mbbs 1st year lecture
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- Опубликовано: 19 авг 2024
- Learn conduction system of heart physiology and conduction pathways of heart. It then describes the conduction of impulse in heart from SA node to AV node, Bundle of His and its branches. Also learn abnormalities of conduction of impulses in heart
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Hi all from Physiology Open. Your suggestions are most welcome. Also, if you want any video in particular, comment below and we will make it for you. Enjoy learning.
Ma'am thank you nicely explained,
Most welcome
Madam you are a great teacher
Thankyou so much
Very nice lecture ma'am
Thanks a lot 👏
Welcome
Ma'am thank you sooooo much
Welcome
The conduction system is a slow responsive tissue even you have mentioned it in arrythmias, mam how do you say the conduction is faster through conduction system than the contracture system that's the myocardium, 3.23 sec
Fibrous ring separates atria from ventricles…it’s not faster than gap junctions within muscles
Thank you so much for this. Pls can you combine all the cardiovascular system lectures under one playlist
Thanks. All lectures are in system wise playlist on home page
Mam, can you please explain how extracellular increase in k+ concentration causes cardiac arrest in diastole
It increases membrane potential…so heart stuck in depolarised state…sodium channels stuck in inactivated state- no new action potential can generate- no new contraction- heart arrest in diastole
Ma'am, thank you very much.
can you please explain what is pulmonary conus ? and where is the location of pulmonary conus and what is AV groove ?
Its anatomy question. Anatomists will be able to explain better. Not my strong point
Mam. I have a question about overdrive suppression of Excitatory cells?
Yeah please ask
@@PhysiologyOpen I don’t understand how increased activity of Na+/K+ pump will cause further hyperpolaroztion of excitatory cell, when there is Ca+2/Na+ is working to generate +1 potential. Shouldn’t these cancel each other out?
Mam, since first and last muscle fibres are not in direct connection how impulse can transmit from last fibre to first as it's said in case of reentry
If there is anatomical defect...it may happen...or functionally if refractory period shortens