La Bla Flashcards
_________ are preferred for procedures involving the plantar foot, since there is rich innervation and significant discomfort
Regional blocks
The posterior tibial nerve, located ___________ , supplies the medial portion of the sole and the medial side of the foot.
between the medial malleolus and Achilles tendon
Toxic reactions to local anesthetics are usually due to _____ and have these s/s
IM or intrathecal injection, or excessive dose.
initial symptoms= lightheadedness and dizziness.
others= peri-oral numbness, tinnitus, CNS effects: visual / auditory disturbances, shivering, twitching, generalized clonic-tonic sz.
CNS depression–> respiratory depression or arrest.
The maximal acceptable dose of lidocaine with and without epinephrine is _________ respectively.
7mg/kg and 5mg/kg respectively.
_______ sutures are not recommended for the palm, as this technique places deep structures at risk.
Vertical mattress
classic side effect of using high doses of intravenous fentanyl
clinical signs of chest wall rigidity and glottic spasm
This may not reliably be antagonized by naloxone and may require neuromuscular blockade and intubation to enable adequate ventilation
________ is the most common complication of lumbar puncture
Post LP headache
Treatment of post-LP HA= keeping the patient supine to maximize intracranial CSF volume, use of oral caffeine, and for severe long-lasting headaches, autologous blood patch.
The normal range of CSF glucose is?
50 to 80 mg/dL, which is 60% to 70% of the glucose concentration in the blood.
glucose of less than 0.5 or a CSF glucose level below 40 mg/dL is invariably abnormal.
paronychia
soft tissue infection around a fingernail that begins as cellulitis but that may progress to a definite abscess
What is the most common associated neurological finding with a distal radius fracture?
Decreased sensation over the thenar eminance due to median nerve injury.
Patients with hip dislocation tend to have_______ rotation.
internal
A knee dislocation frequently injures the ___________, threatening the survival of the limb.
popliteal artery- immediate reduction for the dislocation is warranted
_________ can be a useful indirect indicator of facial fracture on CT
Blood in the sinuses
There are many species of bacteria in the human mouth, and ___________ is an aggressive one, frequently causing infection in the first 24 hours after injury.
Eikenella corrodens
Heliox is?
a breathing gas composed of a mixture of helium (He) and oxygen (O2).
Good for reactive airway disease