7333 results
Subcutaneous emphysema on Chest XRay

Etiologies:   Pneumothorax (spontaneous or traumatic), trauma (tracheobronchial injury, barotrauma), esophageal
pressure ventilation (PPV ... patient needs PPV ... ChestXRay #CXR #Clinical
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
individual studies Clinical ... diseases, describe clinical ... PPV: proportion ... prevalence is low, then PPV ... specificity -> higher PPV
Stone in Neck (SIN) Sign of Acute Cholecystitis

Always eval the GB neck - impacted stone-in-neck (SIN)
sn of 97% and a ppv ... Cholelithiasis #POCUS #clinical
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
cut-offs defined in clinical ... dx of IA PPV ... NPV >90% (In most ... clinical situations
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%
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
#specificity #PPV ... #NPV
Arterial Lines & Waveforms
Arterial lines permit continuous invasive blood pressure measurement, frequent arterial blood sampling, and
PRESSURE VARIATION (PPV ... Pressure Variation (PPV ... volume (increased PPV
Health Maintenance Checklist for Adult IBD Patients

Vaccine Preventable Diseases: Influenza (inactive), Pneumococcal PCV13, Pneumococcal PPSV23, Tdap,
PPSV23, Tdap, HPV ... Screenings: DEXA Scan, PPD
Proton Pump Inhibitor (PPI) - Adverse Effects and Prescribing Tips

#Management #Pharmacology #PPI #Adverse #SideEffects #Prescribing #ProtonPumpInhibitor
Pump Inhibitor (PPI ... #Pharmacology #PPI
Posterior Polar Cataract (PPC) - Slit Lamp Ocular Examination

Dr. Sebastian Vega @oftalmopo

#PPC #Posterior #Polar #Cataract #Lens
Polar Cataract (PPC ... @oftalmopo #PPC ... #PhysicalExam #clinical