Diagnostic Criteria for Heparin-Induced Thrombocytopenia (HIT)
Since specificity of Buerger’s disease is characterized by peripheral ischemia of an inflammatory nature and with a self-limiting course, diagnostic criteria should be discussed from clinical of view.
Several different criteria have been proposed for the diagnosis of thromboangiitis obliterans:
Takayasu arteritis (TA) is a chronic large vessel vasculitis that affects aorta, its main branches and pulmonary arteries. The inflammatory process results in stenosis, occlusion, dilation or aneurysm formation in the arterial wall.
Acute: Subtle low signal (hypointense) on T1, often difficult to see at this stage, and high signal (hyperintense) on spin density and/or T2-weighted and proton density-weighted images starting 8 h after onset; should follow vascular distribution. Mass effect maximal at 24 h, sometimes starting 2 h after onset, even in the absence of parenchymal signal changes. No parenchymal enhancement with paramagnetic contrast agent. Territorial intravascular paramagnetic contrast enhancement of “slow-flow” arteries in hyperacute infarcts; at 48 h, parenchymal and meningeal enhancement can be expected.
Computed tomography (CT) is widely used for early evaluation of acute strokes. Most importantly, CT excludes acute hemorrhage or other diseases mimicking ischemia.
Yamaguchi criteria for classification of adult Still’s disease
Presence of 5 or more criteria, of which at least 2 are Major (96% sensitivity; 92% specificity)
Yamaguchi criteria for classification of adult Still’s disease
Presence of 5 or more criteria, of which at least 2 are Major (96% sensitivity; 92% specificity)
Major Criteria
I. Ocular symptoms: a positive response to at least one of the following questions:
Have you had daily, persistent, troublesome dry eyes for more than 3 months?
Do you have a recurrent sensation of sand or gravel in the eyes?
Do you use tear substitutes more than 3 times a day?
Syndrome of inappropriate antidiuretic hormone ADH release (SIADH) is a condition defined by the unsuppressed release of antidiuretic hormone (ADH) from the pituitary gland or nonpituitary sources or its continued action on vasopressin receptors.
Infection,a documented or suspected, and some of the following:b
Characteristics of the disease
1. Disease has serious consequences
2. Screening population has a high incidence* of disease
3. Risk factor is a good predictor of disease
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