numba one Flashcards
Does the aging process affect basal function of most organs?
No, but functional reserve and ability to compensate for physiologic stress is reduced
How do you manage a pt on beta blockers? what are complications of interruption of therapy
take on day of surgery, continue post op. complications: rebound HTN, tachycardia, MI
what are the most clinically helpful indices obtained from spirometry
FVC, FEV1, FEC1/FVC,
what is the least likely of all induction agents to result in nausea and vomiting
propofol
Is termination of IV anesthetics due to redistribution or biotransformation/breakdown
redistribution
The systolic bp in the radial artery may be ______ (higher/lower) than the central aorta
20-50 mmHg higher
What potentiates the CV toxicity of cocaine?
ketamine–AVOID
What physiologic alterations INCREASE during pregnancy
CO HR plasma volume minute ventilation O2 consumption hypercoaguable state
What physiologic alterations decrease during pregnancy
SVR
dilution anemia
loss of FRC
Pacemaker coding system first letter
chamber paced
Pacemaker coding system second letter
chamber where sensing occurs
Pacemaker coding system third letter
sensing in chambers
Pacemaker coding system fourth letter
rate responsiveness
Who has a high incidence of CAD with atypical or silent presentation?
diabetics
Is a WBC useful in differentiating btw viral and bacterial illness in a febrile pt
no
What must be ruled out in the setting of nasal bone fracture
septal hematoma
complications of untreated septal hematoma
septal abscess
septal perforation
saddle nose deformity
most common causes of bacterial sinusitis
s. pneumoniae
h. influenza
m. catarrhalis
When do you use surgical tx for TMD
internal derangement of the TMJ, not musculoskeletal disorders
what is the single most important factor for facial nerve regeneration
whether the nerve lost function slowly over days or immediately at the time of trauma
most common parotid viral infection
mumps
less common: CMV, EBV
most common parotid bacterial infection
s. aureus
less common: s. pneumonia, e. coli, h. flu,
what can lead to mediastinitus and death if not immediately treated
danger space infection (between alar fascia and preverterbral space)
where is the most common landmark for ID of the facial nerve during parotidectomy
tympanomastoid suture line
malignant lymph node in neck–what should dx work up be
bx of nasopharynx, tongue base valleculae, pyriform sinus, tonsils
t/f: radiotherapy is more effective when given concomitantly with chemo in tx of head and neck SCC
true
what is phenol used for and what are its risks
skin resurfacing
cardiotoxic, hepatotoxic, nephrotoxic
what color indicates you have reached the reticular dermis when using CO2 diode laser
yellow-chamois
where can rhytidectomy correct wrinkling
only lower two thirds of face and neckline