Granulomatosis with polyangiitis (GPA), formerly known as Wegener’s granulomatosis, is a rare form of vasculitis. In this disorder, small-sized blood vessels in the nose, sinuses, ears, lungs and kidneys become inflamed and damaged. Continue reading “Criteria for the Classification of Wegener’s Granulomatosis (WG)”
Diagnostic Criteria for Benign Paroxysmal Positional Vertigo
Common Causes of Vertigo
Otologic disorders
Neurologic disorders
Dix-Hallpike Maneover for Positional Nystagmus
| Peripheral disorder | Central disorder | |
| Latent period before onset of positional nystagmus | 2 to 20 seconds | None |
| Duration of nystagmus | Less than 1 minute | Greater than 1 minute |
| Fatigability | Fatiguing with repetition | Nonfatiguing |
| Direction of nystagmus | Only one type, usually horizontal/rotatory | May change direction with a given head position |
| Intensity of vertigo | Severe | Less severe, sometimes none |
References:
Created: Dic 23, 2005
Sokolow-Lyon index:
There are two criteria with these widely used indices:
* Sum of S wave in V1 and R wave in V5 or V6 >/= 3.5 mV (35 mm)
and/or
* R wave in aVL >/= 1.1 mV (11 mm)
Continue reading “Electrocardiographic Diagnosis of Left Ventricular Hypertrophy (LVH)”
Three of the following five criteria were required to meet American College of Rheumatology (ACR) classification criteria for hypersensitivity vasculitis:
Continue reading “ACR Criteria for the Classification of Hypersensitivity Vasculitis”
Three of four criteria must be met; establishes accurate diagnosis of bacterial vaginosis in 90 percent of affected women.
Continue reading “Amsel’s Diagnostic Criteria for Bacterial Vaginosis”
Definite diagnosis
Clinical picture consistent with tuberculosis; bacteriologic confirmation (culture, gene probe/NAA + AFB smear); histologic findings
Continue reading “Diagnostic Criteria for Tuberculosis Disease”
The TIMI risk score, based upon data from 15,000 patients with an ST segment elevation myocardial infarction eligible for fibrinolytic therapy, is a simple arithmetic sum of eight independent predictors of mortality.
Continue reading “TIMI Risk Score for ST-Elevation Myocardial Infarction (STEMI)”
Indications
Recurrent syncope or single syncopal episode accompanied by physical injury or motor vehicle crash or occurring in a high-risk setting (for example, pilot, surgeon, commercial vehicle driver) and no evidence of structural cardiovascular disease; or presence of structural cardiovascular disease, but other causes of syncope ruled out by diagnostic testing
Syncope induced by or associated with exercise
Continue reading “Indications and Contraindications for Tilt Table Testing”
A simple score (ABCD2) to identify individuals at high early risk of stroke after transient ischemic attack.
Continue reading “ABCD2 Score for Transient Ischemic Attack (TIA)”
The Wells Clinical Prediction Rule is a diagnostic tool used during review of systems to identify possible pulmonary embolism (PE) and deep vein thrombosis (DVT). Continue reading “Wells Clinical Prediction Rule for Pulmonary Embolism and Deep Venous Thrombosis”
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