| QRS-T | the angle between the QRS and T vectors in vectorcardiography [angle] |
|---|---|
| A2C | apical two-chamber [view] |
| A4C | apical four-chamber [view] |
| AER | abduction/external rotation; acoustic evoked response; acute exertional rhabdomyolysis; agranular en... |
| AI | accidental injury; accidentally incurred; adiposity index; aggregation index; allergy and immunology... |