| IHSS(= HCMP) | Idiopathic Hypertrophic Subaortic Stenosis = Obstructive Idiopathic Hypertrophic Car... |
|---|---|
| OSA | Obstructive Sleep Apnea |
| COAD | chronic obstructive airway disease |
| COAL | chronic obstructive airflow limitation |
| COB | chronic obstructive bronchitis; coordination of benefits |