EM4 Flashcards
Indications for dialysis in lithium OD (4)
lithium concentration > 4 mEq/L, any elevated level with neurologic symptoms, renal failure and inability to tolerate intravenous hydration.
Tx HUS?
Supportive. Don’t give Abx
MC vessel involved with ischaemic stroke
MCA
Short QT syndrome is caused by
Hypercalcemia
U wave on ECG is caused by
Hypokalemia
In DKA, insulin should be held until a serum potassium is?
over 3.3
What BUN and creatinine are considered triggers for the initiation of dialysis in patients with CKD?
A BUN of 100 mg/dl and a Cr of 10 mg/dl.
INH toxicity tx?
pyridoxine
what bug causes croup?
parainfluenza
steeple sign
croup
subglottic tracheal narrowing
croup
JONES criteria for rheumatic fever?
Joints Oh, no carditis! Nodules Erythema marginatum Sydenham's chorea
tx cyanide toxicity (3)
hydroxocobalamin OR sodium nitrite and sodium thiosulfate
bradycardia, hypotension, severe lactic acidosis
cyanide poisioning
hypoxia not responsive to supplemental o2
methemoglobinemia
methemoglobinema tx
methylene blue
focal neuro deficit w/ diving ascent
arterial gas embolus
ascending paresthesias/paralysis w/ diving ascent
decompression sickness
severe pain w/ diving ascent
decompression sickness
AMS w/ diving ascent
nitrogen narcosis
cx of LV aneurysm?
thrombus formation (rupture rare bc aneurysm wall is formed of scar)
what type of anal fissure is always pathological?
lateral
M<10, limping, hip internally rotated
legg-calve-perthes (idiopathic avascular necrosis)
teen boy w/ leg pain and hip externally rotates w/ flexion
SCFE
What findings are typically seen on CSF analysis in tuberculous meningitis? (3)
Very low glucose, elevated protein and a slightly elevated opening pressure.
vaginal bleeding with closed internal os
Threatened abortion
vaginal bleeding with open os
Inevitable abortion
partial passage of products of conception (POC)
Incomplete abortion
complete passage of POC
Complete abortion
fetal death < 20 weeks without POC passage
missed abortion
coffee bean sign
sigmoid volvulus
sigmoid volvulus tx (2)
sigmoidoscopy + rectal tube decompression
what makes HOCM murmur louder? (2)
vasalva, standing up
what makes HOCM murmur softer? (4)
squatting, trendelenburg, hand grip, passive leg raise
1st step of cric?
3-5cm vertical incision over cricothyroid membrane
cric CI in what age group?
<10
tx for CaCB OD? (3)
calcium salts, glucagon, high dose insulin w/ glucose
brady, hypotension, hyperglycemia
CaCB OD
brady, hypotension, normo/hypoglycemia
BB OD
tearing of bridging veins
subdural
crescent shaped hyperdenisity bleed -
subdural
middle meningeal artery
epidural
biconvex lens shaped bleed
epidural
To perform a dorsal penile block, the needle should be directed towards the center of the shaft from what two “clock positions” at the base of the shaft?
2 and 10
reversal agent for dabigatran?
Idarucizumab
DIC labs? (5)
high: PT/PTT, D-Dimer, fibrin
low: platelets, fibrinogen
Add steroids for PCP tx when?
- PaO2 < 70 OR
2. A-a gradient >35