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Diagnostic Criteria for Chronic Inflammatory Demyelinating Polyneuropathy (CIDP)

Classic chronic inflammatory demyelinating polyneuropathy (CIDP) is characterized by the occurrence of symmetrical weakness in both proximal and distal muscles that progressively increases for more than two months (setting this condition apart from the Guillain–Barré syndrome, which is self-limited). The condition is associated with impaired sensation, absent or diminished tendon reflexes, an elevated cerebrospinal fluid protein level, demyelinating nerve-conduction studies, and signs of demyelination in nerve-biopsy specimens. The course can be relapsing or chronic and progressive, the former being much more common in young adults.
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Diagnostic Criteria for Guillain-Barre Syndrome (GBS)

The Guillain-Barre syndrome (GBS) or Landry-Guillain-Barre-Strohl syndrome, also known as post-infectious polyneuropathy or acute idiopathic polyneuritis, is an acute acquired, frequently severe, monophasic autoimmune illness of the peripheral nervous system (PNS). GBS manifests itself with the clinical picture characterised by gait disturbance, pain, weakness, rapidly ascending symmetric flaccid muscle paralysis, areflexia with distal predominance (involving lower motor neuron), sensory disturbance, variable autonomic involvement, and increased cerebrospinal fluid protein without pleocytosis.
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Criteria for Diagnosis of Cushing’s Syndrome (CS)

The evaluation of patients with suspected Cushing’s syndrome (CS) is complex and expensive, and the diagnosis is often a challenge for clinicians. Most patients initially suspected of having CS will not have this condition, and therefore efficient screening procedures are needed to identify the few patients who will need additional investigation in specialized centers.
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Criteria for Acute Upper Gastrointestinal Hemorrhage

Acute upper gastrointestinal (GI) bleeding is common and potentially life-threatening and needs a prompt assessment and aggressive medical management. All patients need to undergo endoscopy to diagnose, assess, and possibly treat any underlying lesion.
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The Glasgow-Blatchford Bleeding Score (GBS) for Acute Upper Gastrointestinal Bleeding

The Glasgow Blatchford Score (GBS) is a pre-endoscopic risk assessment tool for patients presenting with upper gastrointestinal haemorrhage (UGIH). It can predict need for intervention or death and identifies low risk patients suitable for out-patient management.
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The Rockall Scoring System

The Rockall score is an established and useful system to assess upper gastrointestinal bleeding (UGIB). The Rockall system has been shown to represent an accurate and valid predictor of rebleeding and death, performing better in the latter than in the former. Rockall scores are designed to combine information such as the subject’s age, occurrence of shock assessed from systolic blood pressure readings and pulse rate, presence and severity of comorbid conditions, diagnosis and endoscopic stigmata of recent bleeding.
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ICSD Diagnostic Criteria for Narcolepsy

Narcolepsy is a disorder of impaired expression of wakefulness and rapid-eye-movement (REM) sleep. This manifests as excessive daytime sleepiness and expression of individual physiological correlates of REM sleep that include cataplexy and sleep paralysis (REM sleep atonia intruding into wakefulness), impaired maintenance of REM sleep atonia (e.g. REM sleep behaviour disorder [RBD]), and dream imagery intruding into wakefulness (e.g. hypnagogic and hypnopompic hallucinations). Excessive sleepiness typically begins in the second or third decade followed by expression of auxiliary symptoms.
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