Diagnostic Criteria for Thromboangiitis Obliterans (Buerger’s Disease)

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:

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Criteria for the Classification of Takayasu Arteritis

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.

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1996 CDC Case Definition for Syphilis (Treponema pallidum)

Syphilis is a complex sexually transmitted disease that has a highly variable clinical course. Classification by a clinician with expertise in syphilis may take precedence over the following case definitions developed for surveillance purposes.

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Causes of Syncope

Cardiac causes

  • Structural cardiac or cardiopulmonary disease (aortic stenosis, mitral stenosis, pulmonary stenosis, left atrial myxoma, aortic dissection, acute myocardial infarction, cardiac tamponade, pulmonary embolism, obstructive cardiomyopathy)

  • Cardiac arrhythmias (tachyarrhythmias, bradyarrhythmias)

  • Neurally mediated syncopal syndrome (includes neurocardiogenic or vasovagal syncope, carotid sinus syncope, and situational syncope)

  • Orthostatic (or postural) hypotension

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Diagnostic Criteria of Infarction in MRI of the Brain in Acute Stroke

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.

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Criteria for Diagnosis of Still’s Disease

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

  • Temperature of >39°C for >1 wk
  • Leukocytosis >10,000/mm3 with >80% PMNs
  • Typical rash
  • Arthralgias >2 wk

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The European Spondyloarthropathy Study Group (ESSG) Classification for Spondyloarthropathy (SpA)

According to the ESSG criteria, for a patient to be classified as having SpA, he or she has to satisfy one of two entry criteria: Inflammatory spinal pain OR synovitis that is either asymmetric or predominantly in the lower limbs.

  • Inflammatory back pain: Back pain is common among the general population. However, “inflammatory” back pain is much less common. Back pain is considered inflammatory if four of the following five criteria are found:

    1. Onset of back discomfort before the age of 40 years

    2. Insidious onset

    3. Persistence for at least three months

    4. Associated with morning stiffness

    5. Improvement with exercise

  • Asymmetrical synovitis: Asymmetrical synovitis, predominantly of the lower limbs is manifested by soft tissue swelling, warmth over a joint, joint effusion, and reductions in both active and passive range of motion. As with inflammatory spinal pain, the symptoms are worse after a period of rest.

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Revised International Classification Criteria for Sjögren’s Syndrome (SS)

I. Ocular symptoms: a positive response to at least one of the following questions:

  1. Have you had daily, persistent, troublesome dry eyes for more than 3 months?

  2. Do you have a recurrent sensation of sand or gravel in the eyes?

  3. Do you use tear substitutes more than 3 times a day?

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Criteria for Syndrome of Inappropriate Antidiuretic Hormone Secretion (SIADH)

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.

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