11/1/21 Flashcards
Why should phenytoin be administered as an infusion over 45–60 minutes as opposed to a bolus?
The diluent in phenytoin causes hypotension if given rapidly.
Febrile Seizure - Simple time limit
Single tonic-clonic seizure lasting < 15 mins
If lasting > 5 min, a dose of diazepam gel, nasal, buccal, or suppository can be used
What is the most common ECG finding in cardiac tamponade?
Low voltage.
Toxic Alcohol Buzz Word:
Visual disturbances classically described as a “snowstorm” appearance
Methanol Intoxication
Which STEMI equivalent will present with ST segment depression on electrocardiogram?
Posterior wall myocardial infarction may present with isolated ST depression in V1 and V2.
Hemophilia Head Injury w/ HA
factor replacement should be administered to hemophiliacs with blunt head trauma and headache, even in the absence of acute findings on imaging or signs of trauma on examination.
In what patient population should you use adenosine with extreme caution?
Those with heart transplants due to prolonged drug effect.
Appendix diameter for appendicitis criteria on ultrasound
non-compressible tubular structure with a diameter of at least 6–7 mm must be visualized.
When is it best to add metronidazole to C Diff Treatment
Fulminant C-Diff= po vancomycin w/ IV metronidazole
Oral metronidazole can be the initial treatment for mild C. diff if oral vancomycin or fidaxomicin is unavailable.
Nerve Block for ipsilateral mandibular teeth, lower lip, chin
Inferior alveolar
Warfarin Reversal Agent in life threatening bleed
4-factor prothrombin complex concentrate
Pediatric burns at the lateral commissure of the mouth complication
delayed bleeding from the labial artery may occur 5–21 days after the injury
burns at the lateral commissure of the mouth
Cardiac complications are rare
CMV Retinitis
1 cause of blindness in AIDS
CD4 < 50/mm3
Cotton-wool exudates, retinal hemorrhages
Ganciclovir
A peripheral smear in HUS will show?
evidence of red blood cell fragmentation
aka schistocytes and helmet cells
Which class of antibiotics is associated with fetal kernicterus when taken near term in pregnancy?
Sulfonamides.
