45 results
Central retinal artery occlusion (CRAO). Positive "spot sign" on Ocular Ultrasound

78 yo M with sudden onset
Positive "spot sign ... " on Ocular Ultrasound ... POCUS #Ocular #Ultrasound
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
tenderness • Positive ... XR — scotty dog sign ... pathophysiology #signs ... #symptoms
Stages of Syphilis
Early Primary:
 • Painless chancre
 • Regional lymphadenopathy
Early Secondary:
 • Fever, malaise
 • Rash
Early Latent: • Positive ... testing • No symptoms ... Late Latent: • Positive ... Syphilis #Stages #symptoms ... #signs #diagnosis
Schizophrenia: Pathogenesis and Symptoms
Increased dopaminergic transmission in mesolimbic projection
-> Dopaminergic neurons here project into the limbic
Pathogenesis and Symptoms ... thought to cause the Positive ... Symptoms of Schizophrenia ... #signs #psychiatry ... #positive #negative
Labyrinthitis 
Vestibular neuritis + unilateral hearing loss = Labyrinthitis 
1) Vertigo (severe) 
2) Gait instability 
3)
fixation) • Positive ... Labyrinthitis #Diagnosis #Symptoms ... #Signs #Otolaryngology
Pemphigus Vulgaris vs Bullous Pemphigoid - Comparison Table
Pemphigus Vulgaris
 • Epidemiology: Average age 40-60
 • Time
, relapsing • Symptoms ... ruptured • Nikolsky sign ... : Positive • Antibodies ... , relapsing • Symptoms ... Tense • Nikolsky sign
Whipple Disease (Tropheryma whipplei) - Diagnosis and Management 

Caused by: Tropheryma whipplei

Symptoms and Signs:
1. Migratory poly/oligoarthralgia
Tropheryma whipplei Symptoms ... and Signs: 1. ... myorhythmia OR • PAS-positive ... Two different positive ... specimen OR • One positive
Primary Biliary Cirrhosis - Diagnosis Algorithm
Symptoms: Fatigue, Pruritus, Right upper quadrant discomfort
Signs: Jaundice, Xanthelasmata, Hepatomegaly
Associated history:
Diagnosis Algorithm Symptoms ... quadrant discomfort Signs ... Associated history: Symptoms ... Positive AMA or
Classic Findings During Hallpike Test in Posterior Canal Benign Paroxysmal Positional Vertigo (BPPV)
 • Latency (delay
in head-hanging position ... Reproduction of vertigo symptoms ... in head-hanging position ... in head-hanging position ... testing #findings #signs
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Idiopathic JAK-2 Positive ... Abnormal Abdominal Ultrasound ... determination, Smoking, positive ... Chronic Chest Symptoms