746 results
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
FP + TN) = true negatives ... all positives Negative ... FN + TN) = true negatives ... / all negatives ... Specificity) Negative
AATS lung cancer screening guidelines for solid nodules on low-dose computed tomography (LDCT). PET/CT, Positron emission
computed tomography (LDCT ... Algorithm #LowDoseCT #LDCT
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
Endocarditis Native ... epidermidis - Gram-negative ... ) - Culture negative ... Enterococci - Gram-negative ... streptococci - Culture negative
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
Systemic infection Native ... Staphylococcus lugdunensis Native ... HACEK • Culture-negative ... epidermidis • Gram-negative ... Enterococcus • Gram-negative
Who to test for BRCA 1/2?
Female Breast Cancer:
 • ≤ 45-50 years at diagnosis
 • Triple
diagnosis • Triple Negative ... Breast cancer + relative ... or 2nd degree relative ... meeting criteria ... • Biological relative
Community Acquired Pneumonia - Severity and Prognosis
Criteria for Severe CAP - Severe CAP present in 1
and Prognosis Criteria ... present in 1 major criterion ... or 3 minor criteria ... met • Major criteria ... ventilation • Minor criteria
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
● Positive or negative ... R) or entirely negative ... Positive or negative ... Morphology criteria
A decision aid for people considering lung cancer screening with low-dose computed tomography
 
The USPSTF recommends
screened with LDCT ... screened with LDCT ... means that with LDCT ... LungCancer #Screening #Criteria ... #DecisionAid #LDCT
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
Modified Sgarbossa Criteria ... : odd QRS from native ... different QRS from native ... Modified Sgarbossa Criteria ... #Sgarbossa #Criteria
Pulmonary Embolism Rule-Out Criteria

In the United States, the workup rate for PE is astonishingly high, with
Embolism Rule-Out Criteria ... risk AND PERC negative ... Embolism #RuleOut #Criteria