Any disease or condition can be related to one of these pathological processes. It is a worthwhile system to employ when evaluating a puzzling patient or recalling facts for exams.
- Infective, Immunological
- Trauma (physical, chemical, thermal, radiological) / Toxic
- Iatrogenic, Idiopathic
- Degenerative / Developmental
But in most causes of Acute Presentations, the potential sieve is generally much smaller