week 2 Flashcards
(16 cards)
Brown recluse vs black widow bite
brown- painless during bite. Bleb forms and bursts. may require skin grafts (very few claimed bites are actual brown bites)
black- very painful. you notice when it bites you.
Opiate Tox Screen wont be + for what opiates?
wont show synthetic opiates such as fetynyl, Tramadol, methadone
What does cloNIDine OD look like?
opiate OD
what physiologic changes does huffing cause
acute:
- sensitize the heart to catecholamines–> arrhythmia
- CNS depression
chronic:
- hepatotoxic
- loss of white matter in brain
What is crofab?
rx for rattlesnake bites
How does snake venom circulate in people?
through the lymph system- creates a shelf of edema/ active leading edge
(tourniquet will not help)
What to do in the field for snake bites
Keep bite at heart neutral position
DONT cut, suck, or cut off circulation
What to do in the field for snake bites
antivenom clean the wound Mark the swelling TDaP Antivenom
(dont need fashiotomy, abx, or steriods)
Antivenom Crofab is made of?
Animal antibody vs venom
Watch out for mild serum sickness (day 5-21)
Antivenom dosing
start with 4-6 vials loading dose
titrate to clinical effect
Toxicological ddx for bradycardia
Beta Blocker/ CCB Trazadone Baclofen digoxin amiodarone clonidine
When do LFTs rise after APAP OD?
after 24 hours
APAP needs to metabolize to toxic metabolite in order to cause the liver damage
Some example drugs that prolong QT
Antipsychotics (Haloperidol) Tricyclic antidepressants (Amitriptyline) Antihistamines
What kidney killing complication is common in ODs of any kind?
Rhabdo- from found down
–> Check CK on ODs
Common step 1 question
Lithium side effect
SIADH
Max postictal period
24 hours
beyond 24 consider other cause
