2321 results
diagnosis causes algorithm management clinical cardiology nephrology pulmonary table radiology hematology neurology dermatology mnemonic ddxof workup comparison pediatrics infections endocrinology
Important Biostatistics and Epidemiology Equations Sensitivity = TP / (TP + FN) = true positives / disease
Important Biostatistics ... = Rule IN #Biostatistics ... #specificity #PPV ... #NPV
Fungal Biomarkers: Comparing Beta-D-Glucan and Aspergillus Galactomannan Beta-D-Glucan: • Polysaccharide cell wall component of many fungi •
Spec -80% for IA, PPV ... < 50%, NPV > 90%
USMLE Epidemiology and Biostatistics Summary Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Epidemiology and Biostatistics ... PPV: proportion ... NPV: proportion ... sensitivity -> higher NPV ... #Epidemiology #Biostatistics
Genital Ulcer - Differential Algorithm Painful - H. ducreyi (Chancroid) - HSV Painless - T pallidum (Chancre) -
Genital Ulcer - Differential ... Chlaymydia - HPV ... Genital #Ulcers #Differential
Summary for providing acute non-invasive ventilation (NIV) - Indications for NIV - Contraindications for NIV - NIV Setup - NIV
non-invasive ventilation (NIV ... Indications for NIV ... Contraindications for NIV ... - NIV Setup - ... NIV Monitoring
TYPE I & TYPE II ERRORS SENSITIVITY & SPECIFICITY = SNOUT & SPIN Sensitive Tests that
Type2 #Errors #Biostatistics
An Overview on P-Values "The widespread use of "statistical significance" (generally interpreted as "p <= 0.05") as
#PValues #BioStatistics
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
Calculation #Table #PPV ... #NPV #Formulas
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 What's in a Blood Gas? VBG vs ABG BOTTOM LINE: VBG is less painful, more easily obtained
sensitivity & 100% NPV
Lead AVR on ECG 1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
ST elevation: Differential ... in aVR > 0.7: ppv ... NPV = 95% 4. ... diagnosis #ekg #differential
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