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Clinical Reasoning Corner: Likelihood Ratios

The Clinical Problem Solvers

Objectives Define likelihood ratios and their utility in diagnostic reasoning Identify how likelihood ratios alter the probability of a diagnosis Apply likelihood ratios in clinical reasoning What are likelihood ratios and how do they work? A LR > 1 increases the probability of a specific diagnosis. x 10 9 cells/L, Hgb 9.7

Clinic 52
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Subclavian Steal Syndrome

Vascular Physician

Type I – Antegrade vertebral flow is reduced Type II – Antegrade flow during diastolic phase and retrograde flow during systolic phase Type III – Permanent retrograde vertebral flow Diagnosis Diagnosis can be made using imaging such as duplex ultrasound of the subclavian and vertebral arteries.

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Renal Artery Stenosis: Is It Common & Life Threatening?

Vascular Physician

Other factors that could make you more likely to be affected by RAS include: High blood pressure High cholesterol Diabetes Smoking Unhealthy diet Men over the age of 45 and women over the age of 55 Obesity What Are the Symptoms, Diagnosis, and Complications? In most cases, RAS does not exhibit any noticeable signs or symptoms.

IT 52
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Leriche Syndrome

Vascular Physician

In fact, sexual dysfunction is so often associated with Leriche Syndrome that the absence of this symptom suggests that another diagnosis should be considered. Atherosclerosis is potentiated by hypertension, smoking, lower physical activity, obesity, a diet high in saturated fats, and high glucose or lipid levels.

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Common Myths about Varicose Veins

Vascular Physician

blog h2 { margin-top: 1.25rem; } Varicose veins are quite common and often lead to pain, embarrassment and possibly further health issues. For proper diagnosis, a vascular specialist will complete a comprehensive evaluation that includes an ultrasound to detect varicose veins, evaluate blood flow and determine the efficiency of vein valves.

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Popliteal Artery Aneurysms

Vascular Physician

On physical examination, the affected region may be swollen and erythematous though non-tender. Consequently, screening for additional aneurysms upon diagnosis is highly recommended. Patient Presentation: The onset for PAA is typically insidious and asymptomatic.