Crozer Flashcards
What attaches periosteum to bone?
Sharpey fibers
Eponym for the anterior inferior tibiofibular ligament?
Bassett’s ligament
Sesamoid occasionally found in tendon of lateral grastroc head?
Fabella
Sources of blood supply to the talus?
- Artery of the Sinus Tarsi
2. Artery of the Tarsal Canal
What should the peaks and troughs be for Vancomycin?
Peak: 15-30 mg/mL
Trough: < 10 mg/mL
How do you treat Red Man Syndrome?
Antihistamines (e.g. Benadryl)
What can beta-lactams cause?
Leukopenia
What drug sensitivity do you look at to see if someone has MRSA?
Oxacillin
Difference between cellulitis and erysipelas?
Cellulitis-confined superficial infection
Erysipelas-superficial infection that spreads to lymphatics
What happens to WBC count after surgery?
May actually increase slightly post-op day 1 and 2.
Following PRBC transfusion, when will H/H changes be seen?
3 hours, thus order new labs to be drawn 4 hours after last unit given.
What should be given if Na is low?
NSS or regular salt
What should be given if K is low?
K-Dur and/or potassium rich foods
What should be given if K is high?
Calcium gluconate, sodium bicarbonate, dextrose with insulin, kayexalate
What’s more important, BUN or Cr?
Cr. BUN is influenced by hydration state. If BUN is high but Cr is normal, patient is probably dehydrated. If both are high, then it’s probably renal damage.
What can cause an elevated PT/INR?
Coumadin, Malnutrition, Alcoholism, Abx, Vitamin K disorders
What pathways do PTT/PT check?
PTT-Intrinsic (“PITT”)
PT-Extrinsic (“PET”)
What are the reasons for post-op fever?
- Wind (12-24 hrs)-atelectasis (tx with pulmonary toilet), pneumonia
- Water (24 hrs)-UTI
- Walk (48 hrs)-DVT, PE
- Wound (72 hrs)-post-op infection
- Wonder drug (anytime)-drug fever
When do fever peaks occur?
Between 4-8 PM.
What test can you look at if you suspect someone at risk for malignant hyperthermia?
CPK (elevated in 79% of pts with it)
What is the only local anesthetic with vasoconstriction?
Cocaine
What should be given for an indomethacin overdose?
Benadryl (reduces serotonin and histamine release)
Triad of pulmonary embolism?
Dyspnea, Chest pain, Hemoptysis (although tachycardia is more common)
Risk factors for DVT?
"I AM CLOTTTED" Immobilization Arrhythmia MI history Coagulable state Longevity (old age) Obesity Tumor Trauma Tobacco Estrogen DVT history
What can be ordered to diagnose DVT?
Doppler US
D-Dimer
Venogram
How do you reverse Lovenox?
Recombinant Factor VII
Signs of hypoglycemia?
Nervousness, tachycardia, diaphoresis, nausea, headache, confusion, tremor, seizure, coma
How much lengthening per day is typical for callus distraction?
1 mm per day
Phosphate versus acetate steroids?
Phosphate-soluble with shorter half-life
Acetate-insoluble with longer half-life
What is given for acetaminophen overdose?
Acetylcysteine
Most common clinical pattern of onychomycosis and it’s most common infecting organism?
Distal subungual onychomycosis; Trichophyton rubrum