Remove Blog Remove Diagnosis Remove Hypertension Remove Patients
article thumbnail

Clinical Reasoning Corner: Pre and Posttest Probability – Jack Penner

The Clinical Problem Solvers

Let’s practice with a case: You are called to admit a 72 year-old woman with hypertension, diabetes, and knee replacement seven days prior who presents with acute, pleuritic chest pain and dyspnea. we’re more likely to test for a “can’t miss” diagnosis even if our pretest probability is very low), the morbidity of the treatment (e.g.

Clinic 52
article thumbnail

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.

Clinic 52
Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

Reasoning during the COVID-19 pandemic

The Clinical Problem Solvers

No prior history of atrial fibrillation – just hypertension and diabetes. Had the ED not ordered a chest CT, would I have tested this patient for COVID-19? Would I’ve been able to reason my way to his underlying diagnosis from the initial data? We walked down to the emergency room and reviewed his chart.

Illness 52
article thumbnail

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.

article thumbnail

Problem Representation

The Clinical Problem Solvers

A problem representation (PR, or Summary Statement) is an evolving, concise summary that highlights the defining features of a case , helping clinicians generate a focused differential diagnosis and identify the next steps in diagnosis and treatment. Who is the patient? One day later the patient also develops a rash.

article thumbnail

Leriche Syndrome

Vascular Physician

Patients with arterial blockage may have no symptoms. However, the most common symptoms for patients with Leriche Syndrome include hip, thigh, and buttock claudication which may be on both sides. Treatment is patient-specific and based on age, health, and severity. An ABI less than 0.9 What are the symptoms?

article thumbnail

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.