Treatment Planning & Protocols Flashcards
7 cards from real CHS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Treatment Planning & Protocols flashcards as text
HBO2 therapy for idiopathic sudden sensorineural hearing loss (ISSNHL) produces the best outcomes when initiated within what timeframe?
Answer: Within 3 months of onset
Evidence supports initiating HBO2 for ISSNHL within 3 months of onset, with the greatest benefit seen in the first 2 weeks.
Per CMS and UHMS criteria, HBO2 is approved for diabetic foot ulcers that are:
Answer: Wagner Grade III or higher and failing standard care after 30 days
CMS coverage requires Wagner Grade III+ severity AND documented failure to respond after 30 days of standard wound care before authorizing HBO2.
The mechanism by which HBO2 benefits clostridial myonecrosis (gas gangrene) primarily includes:
Answer: Inhibiting alpha-toxin production and directly killing obligate anaerobic bacteria
High oxygen tensions inhibit clostridial alpha-toxin synthesis and are directly bactericidal to obligate anaerobes, halting disease progression.
In carbon monoxide poisoning, HBO2 is considered urgent regardless of COHb level when the patient presents with:
Answer: Loss of consciousness, cardiac involvement, or neurological deficits
Clinical severity markers such as loss of consciousness, arrhythmias, or focal neurological findings indicate urgent HBO2 regardless of measured COHb.
The restoration of leukocyte oxidative burst capacity by HBO2 is most directly relevant to which UHMS-approved indication?
Answer: Refractory osteomyelitis
Bone infections fail conventional therapy partly because hypoxic tissue impairs leukocyte killing; HBO2 restores oxidative burst and synergizes with antibiotics.
The primary physiological benefit of HBO2 in treating thermal burns is:
Answer: Reducing edema, preserving the zone of stasis, and accelerating wound healing
HBO2 in burns reduces edema, salvages the marginally viable zone of stasis surrounding the burn, and improves graft take and overall healing rates.
When planning HBO2 treatments for necrotizing soft tissue infections, what is the adjunctive role of HBO2 relative to surgery?
Answer: HBO2 is an adjunct to aggressive surgical debridement, never a substitute
HBO2 is strictly adjunctive in necrotizing soft tissue infections — aggressive surgical debridement remains the primary and life-saving intervention.