25 High Yield Facts for USMLE Step 1/COMLEX Level 1: Cardio Anatomy and Physiology

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The powerpoint for this video is available to Patreon supporters, for more information or if you are interested in donating and becoming a Patreon, visit: / cognitionis
Visit Cognitionisglobal.com for more content!
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@0:00 Introduction
@0:17 Left atrium is most posterior chamber of the heart
@0:57 Right heart dominance
@1:17 Equations for MAP
@1:52 Coronary artery perfusion in diastole
@2:21 Determinants for cardiac output
@2:42 Arterioles are regulators for blood pressure
@3:05 Posteromedial papillary muscle most likely to rupture in MI
@3:20 Ejection fraction = Stroke volume / End diastolic volume
@4:10 Poiseuille's Law
@5:10 Parallel arrangement of vessels reduces resistance
@6:20 Local muscle hypoxia during exercise leads to an initial vasodilation
@7:57 Myocytes contract via calcium induced calcium release
@8:55 LaPlace equation for wall tension
@9:26 Subendocardium is most susceptible to ischemia
@9:48 Lungs respond to hypoxia with pulmonary vasoconstriction
@10:17 Phospholamban inhibits SERCA
@11:26 Aortic stenosis causes substantial increases in left ventricular pressure
@12:19 Mitral regurgitation causes rising left atrial pressure during contraction
@13:25 Mitral stenosis causes increased left atrial pressure during diastole
@14:28 Aortic regurgitation causes steep aortic pressure changes
@16:08 Carotid massage decreases heart rate
@17:24 Right sided murmurs increase with inspiration
@17:47 Venous pressure tracings
@18:55 Pathology on venous pressure tracings
@Cardiac contractility increases with beta-1 stimulation

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11 июл 2024

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Комментарии : 49

@DaniaFitMD 4 года назад

great info but that background music is soooo distracting.

@Dranamolous 5 лет назад

i like it but PLZ turn off the music next time or turn it down by like 75%

@Dranamolous 5 лет назад

to be clear that was my only complaint - otherwise excellent video. much appreciated.

@frankUSA 3 года назад

FINEST VID ON CARDIO USMLE FACTOIDS I'VE SEEN. YES, HE SPEAKS FAST. HAD TO SLOW DOWN VID- BUT HE'S STILL THE BEST VID ON CARDIO PHYSIOLOGY STUFF

@Sahgee 5 лет назад

Amazing!!!! I truly wish you had more videos or recap content for every system. This is fantastic.

@wiltonpt1 3 года назад

You speak in a speed that I am sure some people cannot follow a hundred percent even tho your content is truly awesome and very helpful

@DrRoviso 3 года назад

Thanks for the feedback. This was the first video I ever made on the channel. Since then I have almost 150 videos of content with increasing overall quality thanks to this kind of feedback. Check out more recent videos for a better viewing experience. Thanks!

@bradcallahan3546 10 месяцев назад

you literally have a function on the video where you can adjust the video speed. Use your brain.

@wiltonpt1 10 месяцев назад

@@bradcallahan3546 you mean my finger... I was not aware of this function

@ayabshina7522 Год назад

i like how quick and efficient this is! Thank you

@azkarislam 5 лет назад

watching this the day before my exam! thank you!!

@drownedingames488 3 года назад

How was your exam?

@madea241 5 лет назад

Exam in 2 days. Super helpful. Thanks

@Kai-bk3vq 5 лет назад

Excellent job!

@shagz5696 Год назад

Amazing video!! Thanks for your efforts Dr. R

@princess_katana 2 года назад

This was so helpful! You should make more High Yield videos!

@arielol89 3 года назад

Great video thanks 🙏🏽🤗

@doctorh5413 4 года назад

Nice power cap. I wish you take a little bit more time and lower the track vol to 25%. Overall : great work 👍

@mckaileysalard5481 3 года назад

Soo helpful!!

@drinaciofernandes 4 года назад

Really helpful

@Sam_1964 2 года назад

Very good lecture

@VampireDiariesBiebs 4 года назад

thank you!!!!!

@ParthPatel-so9ec 3 года назад

For digoxin - inhibition of Na k ATPase would increase intracellular Na conc. ,so transmembrane gradient of Na will be diminished and Ca- Na exchanger won't work ( as Na comes in exchange of calcium goes out ) so calcium wont go out and increase intracellular conc. Like above decreased EC Na conc will diminish transmembrane gradient

@thelegion773 5 лет назад

Genius.

@TenaciousP45 26 дней назад

I love i had to remove my 2x speed because you already know... nice

@abbigailbehmlander3141 2 года назад

I have the Pro Tier but can't find this powerpoint. Where should I look?

@elizabethdean1209 25 дней назад

What a the story with the music? Please consider redoing the video without the dramatic music if you want people to get something out of it. It almost sounds like Chariot’s of Fire. I have not heard of any studies that recommend studying to music? Thanks for your efforts. You always have good content. ✌️

@MA-nb9jo 3 месяца назад

excellent video! My only feedback is that the music is too loud and can be distracting from what you are saying, which is SUPER HIGH YIELD! Amazing content

@spideylover4105 4 года назад

Good lord did anyone else have to slow down the playback speed?

@meharunnizach6339 Год назад

Yep The music was too loud and his smacking lips so irritating. Had to stop watching.

@zai9144 3 года назад

Great work and presentation, could share the slides?

@DrRoviso 3 года назад

Most of the slides from my videos are available on Patreon. Although, this was one of my first videos so I think this one was not available. :/

@cfavo8 2 года назад

Hi @cognitionis, I freakin love your videos, high yield!!! but could you please tone down the background music? Thank you.

@Sahgee 5 лет назад

Is there a ppt or pdf available of the slides?

@drinaciofernandes 4 года назад

Also found the soundtrack made it entertaining to watch the entire video

@jayshingala898 3 года назад

You forgot number 6?

@MrCrapBag 5 лет назад

from 7 to 5...

@anitamolina905 3 года назад

Amigo is there an easier explanation so I may comprehend. I'm lost

@hivalee6992 3 года назад

This would be money without the background music

@dr.payalkamdar7642 3 года назад

Why this background music..It is very distracting ..

@BEACHBUNNY975 5 лет назад

Great video, please turn off the sound track in the background in the future. There's no need for it and it's distracting.

@cfavo8 2 года назад

I agree! So freakin distracting!!

@racingculturepro 3 года назад

great information but the music is anoing, and speaking too fast. transfering of knowlege is not about spid, it is about understanding.

@DrRoviso 3 года назад

Thanks for the feedback. This was my first video posted on the channel 2 years ago or so and I think the quality has come a long way since. Check out more recent videos and let me know what you think. Thanks again.

@jackylouwe3360 2 года назад

The destructive background music PLUS super speed of your recording :(

@jeancarlosmedrano2806 9 месяцев назад

The speaker speaks way too fast

@roaakareemhirmiz5041 3 года назад

Please turn off the music and speak slower

@DrRoviso 3 года назад

Hey there, thanks for the feedback! I made this video a few years ago. All content on the channel after this video has no music and content within the past year has slower speech. Let me know if you have any other feedback and thanks for watching!