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Calcimator

Inhaler Technique Score Calculator

Correct technique assessment by inhaler device type.

Inputs

Results

Technique Score (%)

100%

Steps Correct8
Total Steps8
Critical Errors0
Grade (0=Poor to 3=Excellent)3
Est. Drug Delivery (%)20%
How to Use This Calculator
  1. Select your inhaler device type (pMDI, DPI, pMDI + Spacer, or SMI).
  2. Rate each technique step as correct or incorrect: cap removal / dose loading, shake or prime, exhale before inhaling, lip seal, coordinating the press with inhalation, inhalation quality, breath-hold, and waiting between puffs.
  3. Review your technique score (%), steps correct out of the total for your device, and the number of critical errors.
  4. Read the help text for each step to identify and correct technique errors.
  5. Check the grade and estimated drug delivery (%) -- poor technique lowers lung deposition, so review results with a pharmacist or respiratory therapist.

What each input means

Device Type
Select inhaler device type.
Remove Cap / Load Dose
Correctly removed cap and prepared device for use.
Shake / Prime
Shook inhaler (pMDI) or primed device appropriately.
Exhale Before Inhaling
Exhaled fully away from mouthpiece before inhalation.
Proper Lip Seal
Sealed lips tightly around mouthpiece.
Coordinate Press & Inhale
Pressed canister at start of slow deep inhalation (pMDI/SMI).
Proper Inhalation
Slow deep breath (pMDI) or quick forceful breath (DPI).
Breath Hold 5-10s
Held breath for 5-10 seconds after inhalation.
Wait 30-60s Between Puffs
Waited 30-60 seconds before next puff if applicable.

What each result means

Technique Score (%)
Percentage of inhaler steps performed correctly.
Steps Correct
Number of steps performed correctly.
Total Steps
Total critical steps for this device type.
Critical Errors
Number of critical errors that significantly reduce drug delivery.
Grade (0=Poor to 3=Excellent)
0 = Poor (<50%), 1 = Fair (50-74%), 2 = Good (75-89%), 3 = Excellent (90-100%).
Est. Drug Delivery (%)
Estimated percentage of drug reaching the lungs based on technique quality.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Device Type = 0, Remove Cap / Load Dose = 1, Shake / Prime = 1, Exhale Before Inhaling = 1 = 9 input(s) provided
  2. Calculate Technique Score
    100 = 100
  3. Calculate Steps Correct
    8 = 8
  4. Calculate Total Steps
    8 = 8

Engine last updated . Checked against 2 independently-derived tests how we verify calculators.

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