51 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
findings BPPV • Short-lived ... Positive Hallpike ... No auditory symptoms ... Positive head impulse ... Long symptom-free
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
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 ... Schizophrenia #pathophysiology ... signs #psychiatry #positive
Spurling's Test for Cervical Nerve Root Compression

With the neck in slight extension, ipsilateral flexion and rotation,
The test is positive ... reproduction of symptoms ... #orthopedics #sports
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
tenderness • Positive ... MSK #diagnosis #pathophysiology ... #signs #symptoms
Six-step approach to ultrasound-guided central venous catheter placement

I. Identify anatomy of insertion site and localization of
Six-step approach to ultrasound-guided ... Use compression ultrasound ... Confirm needle position ... Confirm wire position ... #CentralLine #Ultrasound
Pathyophysiology - hyperglycemic crises in patients with diabetes 
Key signs/symptoms of HHS/DKA:
Both: Polyuria, polydipsia, weight loss,
Pathyophysiology ... diabetes Key signs/symptoms ... hypotension) DKA: Short
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
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Monocytogenes - Gram-positive ... beta-hemolytic, Non-spore-forming ... / CT if focal symptoms
Prader-Willi Syndrome: Pathogenesis and clinical findings
 • Maternal uniparental disomy: inheriting 2 copies of maternal chromosome
Syndrome Signs/Symptoms ... fractures • Short ... Syndrome #genetics #pathophysiology