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A 27-year-old woman comes to the physician for a 3-month history of restlessness and periodic palpitations. Vitals are: temp 99.0F; HR 90; RR 16; BP 120/80. She has a history …
HY USMLE Q #1050 – Physiology See Full Post
A 24-year-old man undergoes analysis of coronary blood flow as part of a research study. An intravenous infusion of norepinephrine (NE) is administered, followed by measurement of coronary blood flow …
HY USMLE Q #1044 – Cardio See Full Post
A 36-year-old man is brought to emergency for a 30-minute history of severe chest pain that radiates to the back. He has no past medical history. He uses cocaine recreationally. …
HY USMLE Q #1034 – Cardio See Full Post
A 4-year-old is brought to the pediatrician for a well-child examination. A murmur is auscultated. A diagram showing oxygen tension at various anatomic locations is depicted. Failure of which of …
HY USMLE Q #1015 – Cardio See Full Post
A 59-year-old man is recovering in hospital 2 weeks following a car accident in which he sustained head trauma. Laboratory studies show: Serum sodium …
HY USMLE Q #1005 – Electrolytes See Full Post
An 8-year-old girl is brought to emergency for a 2-hour history of confusion and lethargy. She says she is very thirsty. One week ago she recovered from an upper respiratory …
HY USMLE Q #990 – Endocrine See Full Post
A 34-year-old woman comes to the physician for a 1-year history of difficulty conceiving with her husband. He has two children from a previous marriage. BMI is 32. Menses occur …
HY USMLE Q #988 – Repro See Full Post
A 59-year-old man is brought to emergency by his wife for a 3-week history of dizziness and episodes of feeling like he is going to faint, especially when doing yard …
HY USMLE Q #977 – ECGs See Full Post
A 32-year-old woman comes to the physician for a 2-day history of a very tender neck. She recently recovered from an upper respiratory tract viral infection. Physical examination shows a …
HY USMLE Q #959 – Endocrine See Full Post
This is a longer-form PowerPoint on obstructive vs restrictive lung disease, V/Q mismatch, flow-volume loops, A-a gradient for USMLE. Contrasts with my shorter MCQ clips.
PowerPoint – Obstructive vs Restrictive lung disease See Full Post