PVD can be categorized using the Fontaine or Rutherford classification system. Each system grades PVD from no symptoms to major tissue loss and can be used at diagnosis and to evaluate the progression or improvement of symptoms.
The Edinburgh Claudication Questionnaire has been shown to be 91 percent specific and 99 percent sensitive for diagnosing intermittent claudication in symptomatic patients.
The Hachinski ischemic score (HIS) is known to be a simple clinical tool, currently used for differentiating major types of dementia, such as primary degenerative, vascular or multi-infarct, and mixed type.
A. Progressive headache with at least 1 of the following characteristics and fulfilling criteria C-D:
- Daily occurrence
- Diffuse and/or constant (non-pulsating) pain
- Aggravated by coughing or straining