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Old 01-30-2014
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Default nbme 13 qs anyone know these?

A 62-year-old man is brought to the emergency department because of a 3-hour history of progressive difficulty breathing and mild left shoulder pain. His symptoms began after he ran up several flights of stairs. He has poorly controlled hypertension and mild angina pectoris. He has smoked one-half pack of cigarettes daily for 40 years. He appears uncomortable and has labored breathing. Diffuse crackles, ronchi, and scattered wheezing on auscultation of the posterior lung fields. His arterial PO2 is 58 mm Hg. Which of the following is the most likely diagnosis?
A. Cardiac tamponade
B. Pneumonitis
C. Pneumothorax
D. Pulmonary edema
E. Pulmonary embolism

correct ans is D, could someone how to pick up on that please? I found the answer through other blogs but no explanation.
Did he have underlying HF, and the crackles and wheezing gives it away? Thank you

1. 42 yr woman comes to the physician because of 3 weeks history of numbness of the fingers on the left hand. Neuro exam shows loss of touch graphesthesia and loss of two-point discrimination in the left hand. Lesion location is?? Its picture of a brain with letters , I can't post it on here but does anyone remember this question? Or if anyidea on what condition this is, it can help.

Thanks aALOT
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Old 03-02-2014
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He has angina because he was doing strenous excersie there's there was less blood supply going to this heart, therefore his heart is working less efficiently, therefore the left ventricle will not be able to pump all the blood from the lungs to the aorta, therefore, fluid accumulation builds up in the lungs.


by the way am new to this forum do u know hwo to make a new post in the forum?
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prep891 (03-02-2014)
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Old 03-02-2014
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Quote:
Originally Posted by Pharoah9 View Post
He has angina because he was doing strenous excersie there's there was less blood supply going to this heart, therefore his heart is working less efficiently, therefore the left ventricle will not be able to pump all the blood from the lungs to the aorta, therefore, fluid accumulation builds up in the lungs.


by the way am new to this forum do u know hwo to make a new post in the forum?

hey thanks alot!
ok so i had trouble with this in the start as well but what u do is go to USMLE STEP 1 and there will be an option to say "start new thread". u just have to go to a specific thread and then u can start one
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Old 03-02-2014
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Thx a lot!
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