133 results
Myasthenia Gravis
Signs, Symptoms and Testing - Likelihood Ratios
Does this patient have myasthenia gravis?
JAMA. 2005 Apr 20;293(15):1906-14.
Myasthenia Gravis Signs ... , Symptoms and Testing ... - Likelihood Ratios ... eye movements #Diagnosis ... #PhysicalExam #Testing
Algorithm for the diagnosis of chronic diarrhea.
It is usually impractical to test and treat the many
impractical to test ... diarrhea before testing ... pick specific tests ... to sort out the ... much smaller differential
Rotator Cuff Syndrome - SITS
Supraspinatus, Infraspinatus, Teres minor, and Subscapularis.
Causes: Calcific supraspinatus tendinitis 
Signs: painful abduction
Rotator Cuff Syndrome ... supraspinatus tendinitis Signs ... arm, empty can test ... #orthopedics #diagnosis ... #sports #MSK #anatomy
Cubital Tunnel Syndrome: Pathogenesis and clinical findings

 • Paresthesia of 5th and medial half of 4th
Cubital Tunnel Syndrome ... elbow flexion test ... Hypothenar muscle wasting ... CubitalTunnel #Syndrome ... #Diagnosis #pathophysiology
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Diagnosis for Pulmonary ... testing: anti-ANCA ... , biopsy By Tess ... #differential # ... diagnosis #nephrology
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... Diagnosis and Screening ... Testing Common ... • Cushing’s syndrome ... #Diagnosis #Causes
Causes of Sudden Cardiac Arrest
Primary Myocardial Processes (> 90%):
 • Acquired structural heart disease: CAD, Most
structural heart disease ... Congenital heart disease ... Channelopathies: Long/short ... Arrest #cardiology #differential ... #diagnosis #causes
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
Parinaud's Syndrome ... Hydrocephalus → "setting ... sun sign" - Vascular ... disease (stroke ... #diagnosis #pineal
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
clinical symptoms/signs ... presence of metabolic syndrome ... decision for repeat testing ... alcohol-related liver disease ... Liver #Enzymes #Differential
Causes of Pediatric Diarrhea - Differential Diagnosis Algorithm
Infectious:
 • Viral
 • Bacterial
 • Parasitic
Malabsorption:
 • Lactase
Pediatric Diarrhea - Differential ... Diagnosis Algorithm ... Fibrosis • Celiac Disease ... Overfeeding • Short ... Bowel Syndrome