10/27/21 Bonus Flashcards

1
Q

A 24-year-old man is stabbed in the chest with a knife. Which of the following cardiac structures is most likely to be injured?

A

Right ventricle

likelihood: RV > LV > RA > LA

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2
Q

In the case of uterine rupture, how much time is available for successful intervention before the onset of significant fetal mortality?

A

< 30 minutes.

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3
Q

What is the most common extraintestinal manifestation of Crohn disease?

A

Arthritis involving large joints.

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4
Q

In severe croup, ____________ should be the first line therapy.

A

racemic epinephrine

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5
Q

Gram stain of CSF

A

only 60–80% of CSF Gram stains return positive, thus a negative Gram stain does not rule out bacterial infection.

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6
Q

How to correct hypoglycaemia in PEDs, rule of 50

A

Under 1 yr: 5 ml/kg of 10% Dextrose (10×5=50)

1-8 yr: 2 ml/kg of 25% Dextrose (25×2=50)

> 8 yr: 1 ml/kg of 50% Dextrose (50×1=50)

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7
Q

ST segment elevation in aVR greater than 1 mm is most concerning for occlusion of the ____________

A

left main coronary artery.

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8
Q

Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)

A
  • Begins 2–6 weeks after initiation of drug
  • Facial edema, fever, rash, internal organ involvement
  • Rash initially spares mucous membranes
  • Eosinophilia
  • rx: Steroids, immunoglobulin
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9
Q

Fungal Pneumonia

southwest, arthritis, erythema nodosum

A

Coccidioidomycosis

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10
Q

Fungal Pneumonia

northeast, budding yeast, bone lesions

A

Blastomycosis

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11
Q

Fungal Pneumonia

Ohio and Mississippi river valleys, bird and bat droppings

A

Histoplasmosis

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12
Q

True or false: Shivering is absent in myxedema crisis, which may help differentiate this from accidental hypothermia.

A

True.

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13
Q

Myxedema Coma Rx

A

IV levothyroxine

Hypothyroidism exacerbation → ↓ metabolic state + AMS
Stupor, Hypoventilation, Hypotension, bradycardia
High mortality

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14
Q

Trauma in Pregnancy should be in the _________ position to prevent supine hypotension syndrome

A

Left lateral decubitus

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15
Q

Anaphylaxis with ​Refractory hypotension after epi in a patient on beta-blockers should be given ___________

A

glucagon

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16
Q

What is the dose and route of administration of epinephrine for anaphylaxis in children?

A

0.01 mg/kg IM (max 0.3-0.5 mg) with an intravenous infusion at 0.1-0.3 mcg/kg/min (max 1 mcg/min) if needed.

17
Q

Winters formula

A

Used to evaluate respiratory compensation
PCO2 = 1.5 (HCO3−) + 8 +/− 2
if
​PCO2 < Winter formula calculation = respiratory alkalosis
PCO2 > Winter formula calculation = respiratory acidosis