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I think that's a chondrosarcoma (tumor of malignant chondrocytes, found in the pelvis, proximal femur and humerus, FA 2020 pg. 465)
BB also said not to use the rule of 4's to localize CN V to the pons so that's why I crossed it out...
google fixed upper airway obstruction - the spirometry curve shows decreased inspiration and expiration. A lower airway obstruction just blunts expiration. Extrathoracic blunts inspiration.
thanks for this explanation!
can any one explain to me why not lens ?
@macrophage95 Lens are an interal part of the refractive power of the eye. Without the lens the image would not be formed on the retina, thus leading to visual loss
Do anyone know why not choroid?
@qfever, no choroid would also be more detrimental to vision since it supplies blood to the retina
That random zanki card with colobomas associated with a failure of the choroid fissure to close messed me up
Seems like the key to this question is in what is omitted from the question stem: there is no mention of vision loss. If we assume there is no vision loss, then we can eliminate things associated with visual acuity (weird to think of in 2 week old but whatever): C, D, E, F. Also, by @hayayah 's reasoning, we eliminate E & F. If you reconsider the "asymmetric left pupil" then the only likely answer between A & B is B, Iris because the iris' central opening forms the pupil. I mistakenly put A because I was thinking of the choroid fissure and I read the question incorrectly - but it's a poorly worded question IMO.
Key here is that it doesn't affect vision- the only thing would be the iris. All others are used in vision. Don't have to know what a coloboma actually is.
The extra section of that Zanki card specifically says that a coloboma "can be seen in the iris, retina, choroid, or optic disc." Don't you dare talk trash about Zanki!
Not sure if this is correct thinking but how I got this right was:
1. She is hypovolemic
2. Likely retaining salt so water follows (ADH or just renal dynamics in general). This is how I ruled our hypokalemia and hyponatremia
3. If she is hyponatremic b/c sweating then why wouldn't she also be hypokalemic? so both have to wrong because both can't be right
4. Volume depletion ==> orthostatic hypotension
I thought that orthostatic hypotension was more of a chronic condition, but I fooled myself into believing that.
I completely read over the initial BP measurement and picked the wrong answer (mostly b/c of that). Test in 4 days lets get it!
Just remember that E.Coli and Bacteriodes Fragilis (sp?) are the 2 main gutys that cause intraperitoneal infections from the gut.
Common organisms involved in gangrenous and perforated appendicitis include Escherichia coli, Peptostreptococcus, Bacteroides fragilis, and Pseudomonas species (UpToDate)