CA II CommunityFamily Care Toolkit · v1.0 · 10 September 2026

https://ca2deficiency.duckdns.org/ · Educational organizing tool — not a diagnosis or treatment plan

Emergency Sheet (A4)

Readable in seconds in emergency settings — fill only clinician-documented facts.

Carbonic Anhydrase II Deficiency (CA2 deficiency)
Renal Tubular Acidosis (RTA)

Type of renal tubular acidosis (RTA), if specified in the doctor's report

DistalProximalMixedNot specified

Genetic diagnosis / CA2 variant(s) (optional / if documented)

This patient's documented baseline (not general values)

HCO3

Some abnormal laboratory values may be chronic and usual for this patient. Today's results should be interpreted against the documented baseline, current symptoms, fluid status, and the treating team's plan. A value close to baseline does not exclude an acute problem.

Current medications (as prescribed)

Sodium bicarbonate / alkali therapy — prescribed dose

Last dose — date/time

Potassium therapy if prescribed — dose

Last potassium dose

Other medications

Emergency contacts

Parent 1 — name/phone

Parent 2 — name/phone

Treating physician — name

Specialty

Hospital

Official contact

Emergency cautions

1. Medication check: The patient may use sodium bicarbonate/alkali chronically. Please review drug interactions and the effect of new medicines on electrolytes and kidney function.

2. Bone fragility / osteopetrosis: Handle limbs gently. Avoid forceful immobilization during venipuncture, transfer, or procedures when possible.

3. IV potassium: IV potassium is a high-risk medication and requires dosing/monitoring according to hospital protocol and clinical/laboratory findings, with specialist input when appropriate. No dose is written on this form.

Symptoms that may need urgent assessment according to this patient's plan and condition

DiarrheaVomitingFaintingDizzinessSevere abdominal pain

What have you noticed at home? (not a diagnosis)

Educational and organizational only. Does not diagnose, set doses, or replace a clinician. What you notice at home is not the same as what is in the medical record, and not the same as what the doctor decides.