Pretest with EKG! (and others) Flashcards

1
Q

organophosphate compounds inhibit __________

A

acetylcholinesterase,

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2
Q

The treatment for organophosphate toxicity is

A

atropine and pralidoxime

Atropine-anticholinergic/ inhibits excess acetylcholine.

Pralidoxime- regenerates
acetylcholinesterase

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3
Q

Flumazenil reverses _________

A

benzodiazepines

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4
Q

GHB vs other sedative/hypnotic overdoses

A

vs other sedative/hypnotic overdoses, the level of consciousness fluctuates quickly
between agitation and depression.

γ-Hydroxybutyrate

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5
Q

The most useful diagnostic test/treatment in a suspected CO poisoning is

A

COHb level

mainstay of treatment is the delivery
of oxygen

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6
Q

Acetaminophen concentration must be measured ______ after ingestion and then plotted on the nomogram.

A

between 4 and 24 hours

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7
Q

_________ is notorious for causing sz refractory to standard therapy

A

INH

Pyridoxine (vitamin B6) is the treatment

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8
Q

Glyburide is a commonly prescribed __________

A

sulfonylurea

lasts 24 hours–> Hypoglycemia secondary to sulfonylureas generally requires
hospital admission to monitor for recurrent hypoglycemia

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9
Q

Aspirin overdose acid/ base

A

A mixed respiratory alkalosis and metabolic acidosis is typically seen in adults

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10
Q

Agents that do not adsorb to charcoal include

A

ions- lithium
hydrocarbons
metals
ethanol

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11
Q

________ should be used as the first-line

agent for nearly all cocaine toxicities.

A

Benzos

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12
Q

Opioid withdrawal presents with

A
mild tachycardia
yawning
rhinorrhea
piloerection
NVD 
diaphoresis
myalgias/ arthralgias,
anx
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13
Q

Toxic alcohol and serum osmolarity

A
  • If ↑ low molecular weight molecules,
    (acetone, toxic ETOH, mannitol)
    –>
    -↑ osmolarity (more than what is calculated from the regular serum molecules)

osm gap > 50 diagnostic of toxic etoh

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14
Q

acetaminophen od rx

A

NAC

glutathione precursor to reduce NAPQI (N-acetyl-p-benzoquinoneimine)– the
toxic metabolite of acetaminophen.

most effective within 8 hours of the ingestion, use up to 24

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15
Q

The finding of _________ is considered the hallmark of ethylene glycol ingestion

A

crystalluria

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16
Q

peritonsillar abscess s/s and rx

A

muffled voice, trismus, fluctuant mass, deviation of the uvula, odynophagia, and drooling.

needle aspiration or incision and drainage

17
Q

bull neck, mandibular swelling, tongue swelling, and protrusion

A

dental cause= ~ 90% of cases

18
Q

Fournier gangrene rx

A

necrotizing fasciitis of the perineal and male genitalia

aggressive fluid, surgical debridement, broad-spectrum abx, and possibly hyperbaric O2

19
Q

impetigo organism and treatment options

A

S pyogenes
erythromycin- macrolide
cephalexin- cephlosporin
linezolid in resistant cases

20
Q

Acute chest syndrome

A
  • vaso-occlusive life threatening crisis of the pulmonary vasculature
  • commonly seen with sickle cell
  • must be cautious with IV fluid (pulm edema)
21
Q

toxic synovitis

A

-benign/ self-limiting
-typically responds to
rest/ NSAIDs
-transient synovitis thought to be a postinfectious inflammatory process

22
Q

Kawasaki disease is defined by the following criteria

A

fever > 5 days

and 4/5 of:

  • cervical LAD > 1.5 cm
  • oral mucous membrane involvement (strawberry tongue)
  • truncal rash
  • nonpurulent conjunctivitis
  • edematous hands and feet
23
Q

4 to 7 day old with severe cyanosis from congenital heart problem. Rx?

A

The most important next step is prostaglandin bolus followed by a drip to maintain PDA

O2 will close PDA, do not use despite hypoxia

24
Q

MONA for ACS in the ER

A

Morphine, Oxygen, Nitroglycerin, Aspirin

25
endocarditis in the intravenous drug user is usually what valve?
tricuspid valve
26
The right coronary artery supplies ___________ in 90% of patients
the AV node and inferior wall of the left ventricle
27
s. Inferior wall MIs are characterized by ST elevation in what leads
2+ of the inferior leads (II, III, aVF)
28
Leads II, III, aVF show what part of the heart
Inferior wall
29
Septal Leads
V1, V2 The anteroseptal wall of the heart is supplied by the left anterior descending coronary artery (LAD)
30
Lateral leads
I V5, V6 AVL
31
Anterior leads
V3, V54
32
The anteroseptal wall of the heart is supplied by the ________ artery
left anterior descending coronary artery (LAD)
33
LAD coronary artery MI
ST elevation in leads V1, V2, V3, and V4
34
The lateral wall of the heart is supplied by the __________ | artery
left circumflex coronary (LCA)
35
LCA MI
ST elevations in leads I, aVL, V5, and V6