67 results
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
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
#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%
Arterial Line - Pulse Pressure Variation (PPV)
Pressure Variation (PPV) represents an interaction between lungs and heart.
Pressure Variation (PPV ... Pressure Variation (PPV ... volume (increased PPV ... PPV = (PPmax - PPmin ... Specifically, a PPV
Differentiating Pacemaker vs ICD on Chest XRay
 - Single Chamber PPM
 - Single Chamber ICD
 -
Single Chamber PPM ... Radiology #comparison #clinical
Persistent Pupillary Membrane (PPM) on Slit Lamp Ocular Examination

This membrane would be a remainder of the
Pupillary Membrane (PPM ... @oftalmopo #PPM ... #PhysicalExam #clinical
Posterior Polar Cataract (PPC) - Slit Lamp Ocular Examination

Dr. Sebastian Vega @oftalmopo

#PPC #Posterior #Polar #Cataract #Lens
Polar Cataract (PPC ... @oftalmopo #PPC ... #PhysicalExam #clinical
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Positional Vertigo (BPPV ... patient with a clinical ... consistent with BPPV ... patient with a clinical ... ) #Vertigo #BPPV
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Heart rate > 100 bpm ... usually 100-150 bpm ... rhythm with varying PP ... Electrocardiogram #labeled #clinical
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
Calculation #Table #PPV ... #NPV #Formulas