109 results
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Anemia (AIHA) Pathophysiology ... , C3 positive or ... IgG negative, C3 positive ... Hemolytic #Anemia #Pathophysiology ... #diagnosis #hematology
Positive FAST in the RUQ view demonstrating echogenic clot in Morison’s pouch with adjacent anechoic free
Positive FAST in ... (*) #Clinical #Diagnosis ... Trauma #Radiology #POCUS ... HepatorenalRecess #Positive
Gram Stain - Bacteria Identification Algorithm
Gram Positive:
 • Rods: Oxidase+, Oxidase-, Fastidious, Anaerobic, Curved
 • Cocci:
Algorithm Gram Positive ... Rods: Branching, Spores ... #microbiology #diagnosis
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
Contributing to False Positives ... Rate of False Positives ... • mouthwash, short-chain ... result in false positives ... Testing #Laboratory #diagnosis
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... findings BPPV • Short-lived ... Positive Hallpike ... Positive head impulse ... #differential #diagnosis
Central retinal artery occlusion (CRAO). Positive "spot sign" on Ocular Ultrasound

78 yo M with sudden onset
Positive "spot sign ... Embolus #Clinical #POCUS
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
- Differential Diagnosis ... K-ATPase which imports ... #Differential #Diagnosis ... potassium #low #pathophysiology
Positive DVT study showing thrombus in the femoral vein (v), adjacent to the femoral artery (a)
Positive DVT study ... #Clinical #Diagnosis ... Radiology #Vasc #POCUS ... #DVT #Positive
Endocarditis - Duke Criteria - Major and Minor

MAJOR CRITERIA: 
 - Persistently +ve blood culture for
Osler's nodes, Roth spots ... rheumatoid factor - Positive ... #Major #Minor #Diagnosis
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
tenderness • Positive ... Spondylolisthesis #MSK #diagnosis ... #pathophysiology