USMLE_STEP_ONE
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25yoM=eval for infertility Has bilat gynecomastia,small firm testes,abnormaly long extremities. SerumLH,FSH,testosterone,sperm count level=?
11:53 AM Jun 27th
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Thus closure of ASD may be required to prevent irreversible pulmonary vascular sclerosis and thus prevent permanent Eisenmenger syndrome.
11:45 AM Jun 27th
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Over time, pulm vascular sclerosis=irreversible&closure cardiac septal defect can no longer be hemodynically tolerated by right ventricle.
11:39 AM Jun 27th
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Reversal of shunt thru congenial cardiac defect(ASD)due to pulm HTN=Eisenmenger syndrome. R→Lshunt=late-onset cyanosis,clubbing,polycythemia
11:36 AM Jun 27th
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ASD=wide fixed splitS2=L→Rshunt b/c↑pressure in LA=↑blood flow thru muscular pulmA→develop laminated medial hypertrophy=↑pulm vasc resistnce
11:32 AM Jun 27th
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@ got the correct answer: Pulmonary vessels. @ = Rawalpindi Medical College (Rawalpindi, Pakistan)
11:24 AM Jun 27th
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12yoM have wide fixed splitting of S2.No symptoms.If present congenital heart dx may need surgical repair to prevent irreversible change in?
8:52 AM Jun 24th
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UricAcidKidneyStone in leukemia pt, 2ndary to↑production UricAcid from purine breakdown in periods of active cell prolif esp after treatment
8:46 AM Jun 24th
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@ got the correct answer: Uric acid kidney stones. @ = Rawalpindi Medical College (Rawalpindi, Pakistan)
8:36 AM Jun 24th
from web
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54 yo male with ALL develops blast crisis. Treated with intensive systemic chemo. Following treatment, pt at ↑ risk for development of?
8:26 AM Jun 24th
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Hemophilia =normal bleeding time & platelet count, normal PT (extrinsic,factors2,5,7,10) & prolonged PTT (intrinsic,factors2,5,8,9,10,11,12)
8:20 AM Jun 24th
from web
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Factors 8 & 9 are needed to activate factor 10→10a, which converts prothrombin (factor 2) → thrombin = thrombus formation/clot.
8:17 AM Jun 24th
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Hemophilia=XR bleeding d/o, develop due to↓serum factor8(hemophiliaA) or factor9(hemophiliaB). Factor8,9 part of intrinsic coagulation path.
8:10 AM Jun 24th
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@ got the correct answer: Factor VIII (hemophilia A) or IX (hemophilia B). @ = Ross University (Dominica, West Indies)
8:05 AM Jun 24th
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6yoM suffer prolong bleeding after dental extraction.PMH hemarthrosis-developd after minor trauma. Pt's blood likely clot after addition of?
7:27 PM Jun 22nd
from web
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Intercellular bridges become more distinctive in an edematous background and the epidermis is often described as appearing "spongy".
7:22 PM Jun 22nd
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Histologically, acute eczematous dermatitis characterized by an epidermal accumulation edematous fluid in intercellular spaces (spongiosis).
7:21 PM Jun 22nd
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Active Tcell in skin=inflam response within 24hr of Ag re-exposure. Cutaneous delayed hypersensitivity in form of spongiotic derm=end result
7:17 PM Jun 22nd
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AllergicContactDerm arise when Langerhan cell present epidermal Ag to naiveCD4Tcell in draining lymph nodes. Activated Tcell migrate to skin
7:17 PM Jun 22nd
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EczematousDerm separated into: Allergic contact derm, Atopic derm, DrugRelated eczematous derm, PhotoEczematous derm & Primary irritant derm
7:03 PM Jun 22nd
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- Name MD
- Location Toronto
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