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Hydrofluoric (HF) Acid Exposure Medical Directive

A Primary Care Paramedic or an Advanced Care Paramedic may provide the treatment prescribed in this Medical Directive if authorized.

Indications

Exposure to vapour and/or liquid hydrofluoric acid (HF);
AND
Exhibits signs and symptoms of HF poisoning.

Conditions

Calcium Gluconate
Age N/A
LOA N/A
HR N/A
RR N/A
SBP N/A
Other N/A
Topical Anaesthetic Eye Drops
Age N/A
LOA N/A
HR N/A
RR N/A
SBP N/A
Other N/A

Contraindications

Calcium Gluconate
Allergy or sensitivity to Calcium Gluconate
Topical Anaesthetic Eye Drops
Allergy or sensitivity to local anaesthetics

Treatment

Consider calcium gluconate
  Inhalation exposure Skin exposure
Concentration Concentration
10% solution 2.5% gel
Route Route
NEB TOP
Dose 100 mg N/A
Max Single Dose 100 mg N/A
Dosing Interval N/A Immediate
Max # of doses 1 N/A
Consider topical anaesthetic eye drops
   Eye exposure
Route
TOP
Dose 2 gtts/eye
Max Single Dose 2 gtts/eye
Dosing Interval 10 min
Max # of doses N/A

Clinical Considerations

For skin contact, ensure thorough irrigation prior to treatment.

For eye exposure remove patient`s contact lenses, if applicable, prior to initiating treatment. Use anaesthetic eye drops for comfort and then irrigate eyes with normal saline for at least 15 minutes.

Contact

Ministry of Health and Long-Term Care
5700 Yonge Street, 6th Floor
Toronto, ON M2M 4K5

416-327-7900

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