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USMLE Step 2 CK Forum USMLE Step 2 CK Discussion Forum: Let's talk about anything related to USMLE Step 2 CK exam


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  #1  
Old 04-08-2014
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Question UW question

Do you think UW question 4713 is relevant?
My brain is refusing to work on that....
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  #2  
Old 04-08-2014
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yes , it is a little hard , i read it twice and barely could understand it at that time , now i forgot everything , i need to re do it
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  #3  
Old 04-08-2014
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well its kind of hard cause they explain with new formulas that we need to remember
i will try to explain i dont know how it will..so see
1)what is a PEAK pressure.. PEAK p=resistance pressure+Plateau p
increase peak pressure can be with a)ncrease/Normal compliance (also mean N PLATEAU P)and b)decrease compliance(same as increase PLATEAU pr)
2)what is a PLATEAU Pr.PLATEAU p=elastic p+PEEP..Normal Plateau as we know =0
3)lets remember what is compliance and elastic pressure from step 1
Elastic pr=Tidal Volume/Compliance..so elastic pr. inverse to compliance

mean...decrease COMPLIANCE=INCREASE ELASTIC P=INCREASE PEAK P

or COMPLIANCE INVERSE TO PEAK Pr.

4)ex.of increase compliance with normal or increase plateau=bronchospasm,mucus plug COPD
5)ex of decrease compliance with increase plateau=pneumothorax,PE,pneumonia,atelectasis...

HOPE THIS HELP
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  #4  
Old 06-05-2014
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Quote:
Originally Posted by DrAGA View Post
well its kind of hard cause they explain with new formulas that we need to remember
i will try to explain i dont know how it will..so see
1)what is a PEAK pressure.. PEAK p=resistance pressure+Plateau p
increase peak pressure can be with a)ncrease/Normal compliance (also mean N PLATEAU P)and b)decrease compliance(same as increase PLATEAU pr)
2)what is a PLATEAU Pr.PLATEAU p=elastic p+PEEP..Normal Plateau as we know =0
3)lets remember what is compliance and elastic pressure from step 1
Elastic pr=Tidal Volume/Compliance..so elastic pr. inverse to compliance

mean...decrease COMPLIANCE=INCREASE ELASTIC P=INCREASE PEAK P

or COMPLIANCE INVERSE TO PEAK Pr.

4)ex.of increase compliance with normal or increase plateau=bronchospasm,mucus plug COPD
5)ex of decrease compliance with increase plateau=pneumothorax,PE,pneumonia,atelectasis...

HOPE THIS HELP

Im still unable to get this question... Someone explain this please
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  #5  
Old 06-05-2014
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Default q

hi guys,
may sound irrelevant but can u please please post the answer of uw q 4838. I forgot to note it down.
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