51 results
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
syncope Tests: ECG ... , Carotid U/S, EEG ... , Brain MRI, Cardiac ... #workup #testing ... Effectiveness #table #comparison
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... anterior wall MI ... without chest pain, as ... EKG #ECG #Electrocardiogram ... #Diagnosis #Cardiology
Patellofemoral Syndrome - Pathogenesis and clinical findings
 • Anterior Knee Pain with possible symptoms of 'catching'
Patellofemoral Syndrome ... patellofemoral joint with MRI ... pathophysiology #diagnosis ... #signs #symptoms ... #msk
Pericarditis on EKG
Stage 1 - Widespread ST elevation (<5mm) and PR depression; In aVR: ST depression
Pericarditis on EKG ... Can also be seen ... in acute MI ... #Pericarditis #EKG ... #ECG #electrocardiogram
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... suspected, immediate MRI ... #MSK #pathophysiology ... #diagnosis #symptoms ... #signs
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Disorders Testing Algorithm ... neoplasms) • Screen also ... organ-specific signs ... or symptoms (eg ... #Differential #diagnosis
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
Signs and symptoms ... Radiographic findings (eg ... resonance imaging [MRI ... Laboratory findings (eg ... VEP’s: EEG of visual
Primary Biliary Cirrhosis - Diagnosis Algorithm
Symptoms: Fatigue, Pruritus, Right upper quadrant discomfort
Signs: Jaundice, Xanthelasmata, Hepatomegaly
Associated history:
Algorithm Symptoms ... quadrant discomfort Signs ... autoimmune disease (e.g ... Elevated ALP 2. ... specific ANAs (e.g
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
- MSK Radiology ... • MRI: Posterolateral ... torn ligament on MRI ... flexion but no symptoms ... #clinical #mri
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Sleep Deprivation (Eg ... Shift Work) Sleep ... Neurologic Disorders (Eg ... • Medications (Eg ... • Drug Abuse (Eg