MAC / Minimum Alveolar Concentration of Anaesthetics Concept in 5 Minutes!

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MAC / Minimum Alveolar Concentration of Anaesthetics Concept in 5 Minutes!

Рет қаралды 68,687

7 жыл бұрын

Please watch: "Video Course for FINAL MEDICAL EXAMS!"
• FINAL MEDICAL EXAMS Vi... -~-
Having trouble conceptualising how anaesthetists use MAC values to keep patients asleep? Look no further than this video and the links below! Clarify the concept and find out what pharmacological and physiological factors will increase and decrease your MAC and why all of our patients remain asleep and unresponsive whilst under anaesthetic.
You may have to pause and replay portions of this video to recap key points - this is a rapid overview!
All volatile anaesthetic agents have their own properties, giving them different MAC values (see here: www.propofology...)
To see how Volatile Anaesthetics actually work, see here: www.propofology...)

Пікірлер: 43

@Axsa12 4 жыл бұрын

The music in the background is really really unnecessary and distracting.

@QuickMedic 7 жыл бұрын

There are more resources on the website that explain how each volatile gas has it's own MAC value (%) - see links in the video description :-)

@ddfelder2 7 жыл бұрын

Propofology thank you!!

@Heidyhohoho 4 жыл бұрын

You have GOT to turn up the volume when recording this...

@alejandromartin5174 20 күн бұрын

Really good video, thanks

@smithg6380 Күн бұрын

I would think that hypercapnea would decrease MAC since hypercapnic narcosis can knock people out

@aw7329 3 жыл бұрын

The background music were annoying I couldn’t concentrate, otherwise, it was a well simplified explanation, thank you.

@michaeletzkorn 5 жыл бұрын

I still have no idea what MAC actually is a measure of. Since it's given as a percentage. percentage of what to over what?

@mellowdoctor9029 4 жыл бұрын

Its the percentage of the inspired air

@mohiltrivedi8634 4 жыл бұрын

essentially, if a MAC is more than 100% it cannot be given (and is very weak). the patient still needs to breathe Oxygen, so if 100% of what they are getting is that anesthetic they are not receiving any oxygen. For example, N2O (laughing gas) has a MAC of 104%. This cannot be given because the patient will be receiving no oxygen. So it must be used in combination with something else. Hope this makes sense

@michaeletzkorn 4 жыл бұрын

@@mohiltrivedi8634 A whole year since I've seen this, thanks for the reminder that MAC exists. Sort of understanding, so perhaps we should look at the opposite case. 2% MAC then corresponds to only 2% of the air being breathed contains the drug? Is that it? Do you know why high mac corresponds to lower potency ("very weak")?

@mohiltrivedi8634 4 жыл бұрын

@@michaeletzkorn exactly! a higher MAC means that more of the drug has to be inhaled to have the same effect. therefore a higher MAC means a lower potency. and obviously the more drug you inhale the more side effects and unwanted properties come with the drug as well.

@ayushdash0001 4 жыл бұрын

@@mohiltrivedi8634 104 % N2O required to produce the same anaesthetic effect as of 0.75 % halothane. So halothane is more potent. But N2O rapidly diffuses into blood than halothane, and ultimately reaches brain. So doesn't that make N2O a more potent anaesthetic?? I couldn't get this contradiction..

@Jude.Ifechukwu 11 ай бұрын

I love the background music

@jojowondermonkey2 6 жыл бұрын

Low M.A.C = High Potency

@miloelite 3 жыл бұрын

High M.A.C. = Low Potency

@200kimia 2 жыл бұрын

Low MAC= more lipid-soluble

@BLAM707 5 жыл бұрын

So useful for a student ODP, Thank you

@discoverliterature5800 2 жыл бұрын

At no point in any trust in the country will the ODP be gassing patients. This is doctor level stuff and a complete waste of your time to learn.

@Doodi100 5 ай бұрын

I am having trouble understanding your words because of the music.😢

@rahilpatel9686 Жыл бұрын

MAC changes with age...... I was here to find out the reason behind that so if anyone knows please let me know ...........

@rayblade6383 7 жыл бұрын

Excellent video ... Thanks so much for the pleasant explanation. Love the accent.

@sagarswamy1319 5 жыл бұрын

Stop that background irritating music and talk clearly

@doc.mai1 4 жыл бұрын

thankyou so much!

@HafizahHoshni 6 жыл бұрын

Thank youuu!

@wekieboom 5 жыл бұрын

Age does impact MAC, even you mention age as a changing indicator for MAC

@carlosspiceyweaner4995 5 жыл бұрын

I am also confused by this. He says it doesn't , then it does

@wekieboom 5 жыл бұрын

@@carlosspiceyweaner4995 it does, younger pts need more and older pts need less. 10 years younger = 6%increase in MAC

@Dr.SolomonKimera 2 жыл бұрын

The background music does more harm than good

@aenda4697 Жыл бұрын

Thx but you speak very fast💔

@michaelrosenheck6964 4 жыл бұрын

Why would you add music to this video, you can't hear what you're saying. Take the music out and stop reading off a script.