Last Minute Flashcards

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1
Q

4 elements of negligence?

A
  1. Duty to treat
  2. Breach of duty (failed to conform to standard of care)
  3. Proximate cause (breach of duty must be the cause of the injury)
  4. Damages
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2
Q

EMTALA requirements for transfer?

A

Does not apply to the transfer of stable patients

If unstable, may NOT transfer unless:

  1. Physician certifies that medical benefits outweigh risks OR
  2. Patient makes request in writing after being informed of hospital’s obligations and risks of transfer

Also, transfer must be appropriate under the law:

  1. Ongoing care until transfer
  2. Copies of medical records
  3. Confirm the receiving facility has space/qualified personnel to treat, agreed to accept transfer
  4. Transfer with qualified personnel and appropriate equipment
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3
Q

Benzodiazepines for agitation (dose, route, onset, side effects)?

A

Lorazepam 2-4 mg IV/IM/PO (5-30 min)

Midazolam 5 mg IV/IM/PO (10-30 min)

Respiratory depression, excessive sedation

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4
Q

Typical antipsychotics for agitation (dose, route, onset, side effects)?

A

Haloperidol 2.5-10 mg PO/IM/IV (30-60 min)

EPS, NMS

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5
Q

Atypical antipsychotics for agitation (dose, route, onset, side effects)?

A

Ziprasidone 10 mg Q2hr or 20 mg Q4hr PO/IM (15-20 min)

Risperidone 2 mg Q1hr PO (<90 min)

Olanzapine 5-10 mg Q2-4hr PO/IM (15-45 min IM, 3-6 hr PO)

Orthostatic hypotension, QTc prolongation

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6
Q

SADPERSONS scoring for suicide risk

A
Sex (male) = +1
Age >45 or <19 = +1
Depression/hopelessness = +2
Prior attempts/psychiatric illness = +1
Excessive alcohol/drug use = +1
Rational thinking loss = +2
Separated/widowed/divorced = +1
Organized or serious attempt = +2
No social support = +1
Stated future intent = +2

> 9 high risk
6 moderate risk
<6 low risk

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7
Q

Animal bites at high risk for rabies?

A

Bats
Racoons
Skunks

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8
Q

Wound closure in cat and dog bites?

A

Dog bites - primary wound closure

Cat bites - secondary intention

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9
Q

PPx ABX?

A

Amox-clav for bite wounds

Routine PPx not recommended, but warranted in certain situations (first-gen cephalosporins addquate for most)

  • Deep puncture wounds (cats)
  • Moderate to severe wounds with associated crush
  • Wound in areas of underlying venous and/or lymphatic compromise
  • Wounds on hands, genitalia, face, close to bone or joint
  • Wounds requiring closure
  • Bite wounds in immunocompromise
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10
Q

Match laceration location with suture choice and duration until removal - SubQ

A

Facial - 6.0; within 5 days

Torso, arms, legs, hands, feet - 3.0 4.0 5.0; 7-10 days

Larger material for lacerations subject to high degrees of static or dynamic skin tension; 10-14 days

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11
Q

Tetanus immunization indications in setting of laceration?

A

Tetanus immunization - 0.5 mL IM; give if >5 years since last if tetanus prone wound, 10 years for non-tetanus prone wound (Give Tdap instead of Td if never received)

HTIG (250 IU IM) if primary immunization series not completed or unknown

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12
Q

Presentation and management of heat cramps?

A

Brief intermittent and involuntary muscle contraction (usually calves) from prolonged exercise in heat, occur at rest

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13
Q

Define heat stroke

A

Hyperthermia >40 C associated with severe CNS dysfunction and anhydrosis

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14
Q

Classic heat stroke?

A

Environmental heat waves, body fails to dissipate heat

Present with hyperthermia, AMS, anhydrosis, CNS symptoms

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15
Q

Exertional heat stroke?

A

Young healthy individuals unable to dispel heat due to endogenous heat production -> hyperthermia, diaphoresis, AMS during extreme physical exericse in hot environment

More likely to develop rhabdo, acute renal failure, etc.

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16
Q

Rx heat illness?

A

Active cooling - drop temp to 100-102, NO antipyretics

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17
Q

Degrees of hypothermia?

A

Mild - 32-35 C
Moderate - 28-32 C
Severe - <28 C

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18
Q

Rx hypothermia

A

Rewarming

Mild - passive external
Moderate - add active external
Severe - add active internal

19
Q

Rx frostbite

A

Immerse affected area in warm water (37-39 C)
Remove constrictive clothing and jewelry
Consult surgery

Rx ibuprofen, tetanus toxoid, elevation of affected area, narcotics

Treat hypothermia first

20
Q

Rx Lyme

A

Stage 1 - doxycycline or amox if <8 y/o

Stage 2 and 3 - ceftriaxone IV, cefotxaime IV, penciillin G IV

21
Q

Define toxic dose of acetaminophen (acute and chronic). When should levels be checked?

A

Acute - 140-200 mg/kg or 7.5 g

Chronic - >4 g in 24 hours

4 hours after ingestion - within 8 hours, NAC is 100% hepatoprotective

22
Q

DDx - otalgia

A

External otitis
OM
Mastoiditis
Auricular infections

Can be referred - TMJ, cancer, dental problems, tonsillitis, laryngitis, sinusitis, trauma

23
Q

DDx - odynophagia

A

Tonsillitis, pharyngitis, adenoiditis, epiglottitis, cancer, caustic ingestion, pill esophagitis, GERD

24
Q

Most common causative agents - OM?

A

S. pneumoniae
H. influenzae

RSV (most common viral cause)

25
Q

Rx of choice - OMG

A

High dose ABX

26
Q

Most common causative agents - mastoiditis?

A

Same as OM (spreads from OM)

27
Q

Dx and Rx mastoiditis

A

CT
IV ABX
Admit (can progress to meningitis and abscess)

28
Q

Most common causative agents - OE

A

Pseudomonoas, then S. aureus

29
Q

Rx OE

A

Cipro + dexamethasone, consider ear wick

30
Q

Most common causative agents - peritonsillar abscess

A

Complication of pharnygitis

31
Q

Rx peritonsillar abscess

A

Drainage + ABX

32
Q

Most common causative agents - retropharyngeal abscess

A

GAS/GBS, polymicrobial

33
Q

Dx/Rx retropharyngeal abscess?

A

Lateral soft tissue XR, but CT w/contrast is gold standard

Emergent ENT consult, IV ABX, surgical drainage

34
Q

Most common causative agents - epiglottisi

A

H. flu, strep, staph, viral/fungal

35
Q

Rx epiglottitis

A

Emergent ENT consult

Sit up, humidified O2, IV fluids, IV ABX (2nd/3rd gen ceph), IV dexamethasone - admit to ICU

36
Q

What is Ludwig’s angina? How does it present?

A

Cellulitis of submandibular and lingual space (spread of odontogenic infection of 2nd and 3rd molars) - dysphagia, trismus, edema of floor of mouth

37
Q

Rx Ludwig’s

A

Early decadron, ABX (GP, anaerobes), early intubation for airway protection

38
Q

Centor criteria?

A

Tonsillar exudate
Tender cervical LAD
NO cough
Hx of fever

4 - empiric ABX
2-3 - rapid strep
0-1 n test

39
Q

Rx strep pharyngitis

A

IM benzathine PCN or pen VK PO

40
Q

Manage epistaxis

A

If anterior - pinch x20 minutes, vasoconstrictor soaked Qtips x10 minutes, cauterize w/silver nitrate, pack, then cephalexin

If posterior - don’t lie flat, pack, O2, analgesics, ABX, admit for airway compromise monitoring

41
Q

Cause of hypernatremia in dehydration?

A

Water depletion

42
Q

Chronic vs. acute hypernatremia + management?

A

Present for > or < 48 hours

Chronic - lower serum Na by 10 meQ/L in first 24 hours

Acute - lower serum Na by 1-2 meq/L per hour, restore normal in <24 hours

43
Q

Calculate water deficit?

A

Current TBW x (serum Na/140-1)

44
Q

Estimate TBW by age

A

75% in newborn
65% in 1 y/o child
55-60% in infants and adults