There are multiple definitions:

1. action potential duration(English)

   • CPVT, DOR, EAD, NCX, PKA, ARI, ATX-II
   • Electrophysiology, Physiology

2. avalanche photodiode(English)

   • PSAPD
   • Bioengineering

3. 3-amino-1-hydroxypropylidene-1,1-bisphosphonate(English)

4. antisocial personality disorder(English)

   • a psychiatric condition in which a person engages in such behavior chronically
   • ASB, TCI
   • Psychology, Mental health, Social aspects, Psychiatry
   • https://doi.org…04417-9.00002-8

5. Alliance for Paired Donation(English)

   • see bridge donor
   • NEAD, UNOS
   • Transplantation

6. automatic peritoneal dialysis(English)

   • CAPD
   • Therapeutic approaches

7. Adult Patient Database(English)

   • ANZICS
   • Medical informatics

8. ambulance patiëntdossier(Dutch)

   • Emergency medicine, Electronic health record

9. adhesive patch-type device(English)

   • mostly monitoring a single-lead ECG, and used to detect SVA
   • ECG, SVA
   • Cardiology, Monitoring, Electrophysiology