CN IV (trochlear nerve: superior oblique muscles) & CN VI (abducens nerve: lateral rectus muscles) control only eye movement, not pupillary constriction (FAS1 2017, p476)
3rd-degree burn: the epidermis, full thickness of the dermis, and deeper tissues are involved; the affected area is painless, charred, and white (FA 2CK, 9/e, p506)
A patient has the finger findings shown. Biopsy shows excessive fibrosis and collagen deposition. Is this patient most likely male or female?
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A patient with meningitis has an ↑ opening pressure on lumbar puncture. CSF analysis shows ↑ protein, ↓ glucose, and a neutrophilic pleocytosis. Diagnosis?
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An 18 yo IV drug user presents with fever. He has a new murmur and the nail-bed lesions shown in the image. Most likely causative organisms?
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We have just added a brand new Coronavirus Disease 2019 (COVID-19) brick to the Respiratory collection of Rx Bricks.
This brick covers
#COVID19
's:
- Epidemiology
- Viral characteristics
- Risk factors
- Diagnostic work-ups, and
- Management and prevention plans
Use the mnemonic MUDPILES to remember the causes of an anion gap metabolic acidosis: Methanol, Uremia, DKA, Paraldehyde/Phenformin, Iron/INH, Lactic acidosis, Ethylene glycol, Salicylates (FA 2CK, 9/e, p473)
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Acetaminophen is metabolized to NAPQI in the liver; excess NAPQI depletes glutathione;
↓ glutathione allows toxic byproduct buildup in the liver, which causes necrosis
(First Aid for the
#USMLE
Step 1 2020, p. 485)
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Abdominal aorta > Coronary artery > Popiteal artery > Carotid artery > circle of Willis ("A CoPy Cat named Willis")
(First Aid for the
#USMLE
Step 1 2020, p. 302)
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