Table 3. Derivation of POTASH acronym.
POTASH: post ambulatory swollen hands.
| Letter | Source |
| P | The first letter of the word post. |
| O | The second letter of the word post. |
| T | The fourth letter of the word post. |
| A | The first letter of the word ambulatory. |
| S | The first letter of the word swollen. |
| H | The first letter of the word hands. |