31 results
The test characteristics of the heterophile antibody (AKA the monospot test) are not perfect and can
heterophile antibody (AKA ... positive and false negative ... instead using EBV ... #Diagnosis #Mononucleosis ... #EBV #Serologies
The test characteristics of the heterophile antibody (AKA the monospot test) are not perfect and can
heterophile antibody (AKA ... positive and false negative ... instead using EBV ... Characteristics: #Diagnosis ... Mononucleosis #EBV
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
Ocular Myasthenia ... non-localized EOM ... pack test were negative ... PhysicalExam #clinical #video ... ophthalmology #neurology
Point-of-care Ultrasound for Diagnosis of Abscess in Skin and Soft Tissue Infections

1. POCUS is more accurate
Ultrasound for Diagnosis ... POCUS is more accurate ... POCUS has a negative ... LikelihoodRatios #Accuracy #Diagnosis ... VisualAbstract #EBM
Congenital Nystagmus on Physical Exam
These abnormal eye movements were found in a patient with albinism. What
Diagnosis: Congenital ... Cooper Neurology ... #PhysicalExam #ocular ... #clinical #video ... #neurology #ophthalmology
Membranoproliferative Glomerulonephritis (MPGN) AKA: Mesangiocapillary GN
 • Active Urine Sediment (dysmorphic RBC, RBC casts, +/- proteinuria)
Glomerulonephritis (MPGN) AKA ... immune deposits on EM ... , negative IF ... Glomerulonephritis #MPGN #nephrology ... #diagnosis #renal
Rapidly Progressive Glomerulonephritis (RPGN) 
 - Loss of kidney function over a short period of tirne
Basement Membrane (GBM ... Linear, ribbon-like GBM ... immune deposits, negative ... #Differential #Diagnosis ... #Nephrology
Ruptured AAA on POCUS

Nice pick up with a POCUS RUSH exam in a patient with undifferentiated
POCUS Nice pick ... up with a POCUS ... everything else is negative ... to diagnose through ... sometimes - MCW EM
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Differential Diagnosis ... polyangiitis) - ANCA-negative ... anti-ANCA ab, anti-GBM ... ab, ANA, C3, C4 ... #nephrology
Rheumatoid Arthritis - 2020 ACR-EULAR Classification
≥ 6 of 10 points = definite RA
Joint Involvement:
Arthritis - 2020 ACR-EULAR ... joint) - 5 points Serology ... at least 1): Negative ... RF, negative anti ... Rheumatoid #Arthritis #diagnosis