EM Flashcards
Bidirectional VT
Digoxin toxicity
First biomarker positive in STEMI
Myoglobin
Order of ECG changes in STEMI (5)
- Hyperactive T waves
- J point elevation
- STE
- Q wave/loss of R
- TWI
R sided STEMI ECG changes
STE of V4R and V5R
Posterior STEMI ECG changes
ST depressions in V1, V2, large R waves (R/S ratio > 1)
What clinical findings represent right ventricular infarction in the setting of an inferior MI? (2)
JVD + Hypotension
MC SE IV amiodarone
Hypotension
pregnancy and t-PA
Relative contraindication
SE of procainamide (2)
Hypotension, prolonged QT
Drugs that can be given via ETT? (5)
Adults: NAVEL Naloxone Atropine Vasopressin Epi Lidocaine
PEDS: LANE
Successful placement of transvenous pacer in right ventricle? (2)
left bundle-branch block with left axis deviation
Tachycardia disproportionate to fever
Myocarditis
MCC myocarditis worldwide? In US?
World-Chagas disease caused by the protozoan Trypanosoma cruzi.
US-enterovirus (coxsackie group B)
Most specific PE finding in CHF
S3
Overmedication with nitroglycerin can cause what toxic effect?
Methemoglobinemia
High-quality chest compressions are associated with what CO2 values
> 10 mm Hg
Serum ß-hCG pattern in pregnancy?
doubles every 2 days in early pregnancy
Vital sign changes in pregnancy (2)
HR: ↑ 10-15 bpm
BP: ↓ in 2nd trimester, normalizes in 3rd
Fundal height: (3)
12 weeks: pubic symphysis
20 weeks: umbilicus
20-32 weeks: height (cm) above symphysis = gestational age (weeks)
Transvaginal vs transabdominal ultrasound: IUP visualized when ß-hCG
Transvaginal ultrasound: IUP visualized when ß-hCG > 1500
Transabdominal ultrasound: IUP visualized when ß-hCG > 4000
Which therapy for COPD is associated with a reduction in mortality?
O2
What must you remember to do in a patient with salicylate toxicity who requires intubation?
Set the respiratory rate to match their pre-intubation rate to allow continued compensatory expiration of CO2.
What correlates with severity of hepatic encephalopathy?
CSF glutamine
Ranson’s criteria? (5)
age >55 Wbc> 16k Glucose>200 LDH>350 AST>250