1003 results
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
TP + FN) = true positives ... disease absent Positive ... TP + FP) = true positives ... / all positives ... #calculations #diagnosis
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
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
Can Cause False Positives ... yielding false-positive ... can cause false positives ... Amphetamine false positives ... #differential #diagnosis
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
Gram-positive diplococci ... Plump gram-positive ... Pneumonia #Patterns #Diagnosis ... #Comparison #Table
Posterior chamber pathology comparison on Ocular POCUS:
- vitreous hemorrhage
- vitreous detachment
- retinal detachment

#Posterior #chamber #pathology #Ocular
chamber pathology comparison ... on Ocular POCUS ... pathology #Ocular #POCUS ... Detachment #Hemorrhage #Comparison
Multi-System Inflammatory Syndrome in Children (MIS-C) vs. Kawasaki Disease
CDC Case Definition for MIS-C;
 • < 21
for disease • Positive ... MISC #Kawasaki #Comparison ... #diagnosis #peds
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Findings: Coombs positive ... Findings: Coombs Positive ... Anemia #hematology #diagnosis ... #comparison
Bullous pemphigoid and pemphigus vulgaris

Comparison Table via Physical Examination, Nikolsky Sign and Differential Diagnoses

#Diagnosis #Dermatology #Bullous
pemphigus vulgaris Comparison ... and Differential Diagnoses ... #Diagnosis #Dermatology ... #Differential #Comparison
Barcode Sign in Pneumothorax on POCUS - M-Mode

seashore sign: normal lung sliding

barcode/stratosphere sign: pneumothorax 

#Pneumothorax #Barcode
Pneumothorax on POCUS ... Barcode #Sign #POCUS ... #Diagnosis #Comparison
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
beat colision) ● Positive ... show entirely positive ... Positive or negative ... Aberration #Aberrancy #Comparison ... #Diagnosis #Cardiology