RDOS Calculator
Respiratory Distress Observation Scale
For patients unable to self-report dyspnea
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1. Heart Rate
< 90
bpm
90 - 109
bpm
> 109
bpm
2. Respiratory Rate
≤ 18
breaths/min
19 - 30
breaths/min
> 30
breaths/min
3. Restlessness
Non-purposeful movements
None
Occasional
Frequent
4. Paradoxical Breathing Pattern
Abdomen moves in when chest moves out
No
Yes
5. Accessory Muscle Use
Rise of clavicle during inspiration
None
Mild
Severe
6. Grunting at End-Expiration
Audible vocalization
No
Yes
7. Nasal Flaring
Involuntary dilation of nostrils
No
Yes
8. Look of Fear
Eyes wide open, facial tension, brow furrowed
No
Yes
Total RDOS Score
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