CHT Hyperbaric Contraindications and Complications Flashcards
6 cards from real Certified Hyperbaric Technologist Test practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 CHT Hyperbaric Contraindications and Complications flashcards as text
A diabetic patient consistently experiences hypoglycemia after HBO treatments. The recommended action is to:
Answer: Check blood glucose before and after each treatment and coordinate with the treating physician
HBO can lower blood glucose in diabetics; routine monitoring and physician coordination allow safe continuation of therapy.
Which medication taken by a patient increases the risk of CNS oxygen toxicity during HBO?
Answer: Disulfiram (Antabuse)
Disulfiram lowers the seizure threshold and is associated with increased CNS oxygen toxicity risk during HBO therapy.
Tooth squeeze (barodontalgia) during HBO is caused by:
Answer: Air trapped in dental cavities or beneath fillings
Barodontalgia occurs when air trapped under defective fillings or in cavities cannot equilibrate with changing chamber pressure.
The 'air break' technique used during HBO sessions is intended to:
Answer: Reduce the risk of oxygen toxicity by interrupting continuous oxygen exposure
Air breaks involve breathing room air for short periods to reduce cumulative oxygen dose and lower the risk of pulmonary and CNS toxicity.
Oxygen-induced bradycardia observed during HBO is generally considered:
Answer: A normal physiological response to hyperoxia that rarely requires intervention
Mild bradycardia is a normal vasovagal response to hyperoxia and typically does not require termination of treatment.
A patient with a pacemaker is referred for HBO therapy. The primary concern is:
Answer: Whether the device is rated for hyperbaric pressures
Most modern pacemakers are pressure-tested and approved for use at HBO treatment depths, but the specific device must be verified before treatment.
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