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


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Old 06-05-2016
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Default Predriatcs CS

Hello Everyone,

I am in the process of studying for my Step 2 and while doing some of the preparation I ran into the following 2 questions and I am not sure what the correct answer is. Could anyone help me out?

33. A 5-year-old boy is brought to the physician because of a 4-day history of increasing difficulty breathing. His temperature is 37.5C (99.5F), pulse is 116/min, respirations are 36/min, and blood pressure is 116/80 mm Hg. Examination shows jugular venous distention and mild swelling of the face and upper extremities. There are moderate intercostal retractions. Inspiratory and expiratory wheezes are head bilaterally. A x-ray of the chest shows a mass in the superior mediastinum and a large pleural effusion in the right hemithorax. Thoracentesis yields 400 mL of reddish brown serosanguineous fluid containing numerous erythrocytes. Which of the following is the most likely cause of pleural effusion?

A) Congestive heart failure
B) Malignant pleural effusion
C) Nephrotic syndrome
D) Traumatic hemothorax (Wrong)
E) Tuberculous pleural effusion


38. A 10-month-old girl is brought to the physician because of fever and agitation for 8 hours. She has had an upper respiratory tract infection for 2 days. Her temperature 38.3C (100.9F), pulse is 160/min, respirations are 40/min, and blood pressure is 60/palpable mm Hg. An S3 gallop is heard on auscultation. S1 and S2 are normal. Scattered crackles are heard bilaterally. Which of the following is the most likely explanation for this patient's findings?

A) Bronchiolitis (Wrong)
B) Endocarditis
C) Hypertrophic cardiomyopathy
D) Myocarditis
E) Valve rupture



Thanks in advance,
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  #2  
Old 06-08-2016
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hi
for 38 its mycarditis thats my guess. then I found an article or a forum post that supports it. this is a step 3 question here it is
S3 and b/l crackles are good signs this kids heart is failing...2/2 to viral myocarditis (had URI for 2 days). http://forums.studentdoctor.net/thre...-exam.1184373/
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Old 06-08-2016
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33. A chf
A) Congestive heart failure
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Old 06-12-2016
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Default Thank you so much

Thank you both for your answers.
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