28 results
Indications for Transfusion
Packed RBCs
 • Hgb <7 g/dL or hematocrit <21% in a patient with uncompromised
• Prophylaxis (nonbleeding ... with INR > 10 • FFP ... RBCs #Platelets #FFP
How-to Calculate the Filtration Fraction (FF) in CKRT
FF = Fluid removed from the filter / Fluid
) in CKRT FF = Fluid ... filter - The FF ... - The target FF ... NOT affect the FF ... CKRT #nephrology #calculation
Fraction Flow Reserve (FFR) is traditionally used to quantify the degree of coronary artery narrowing to
Flow Reserve (FFR ... Diastolic FFR has ... Diagnosis #Cardiology #FFR ... FractionalFlowReserve #Calculation
How-to Calculate the Filtration Fraction (FF) in CKRT
 • The FF is the ratio of fluid
in CKRT • The FF ... • The target FF ... NOT affect the FF ... Rate (ml/hr)) Calculator ... nephrology #renal #calculation
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
Specificity = TN / (FP ... Value = TP / (TP + FP ... Epidemiology #Equations #calculations
Specificity Calculation - Probability that a test correctly identifies those without the disease (true negative rate)

Specificity
Specificity Calculation ... Specificity = TN / (FP ... Epidemiology #Equations #calculations
Positive Predictive Value Calculation - Probability that someone with a positive test actually has the disease

Positive
Predictive Value Calculation ... Value = TP / (TP + FP ... Epidemiology #Equations #calculations
Pneumoperitoneum - Free Air Reverberation Artifact - Abdominal A-Lines on POCUS

Don't just look for FF on
Abdominal A-Lines on POCUS ... just look for FF ... POCUS Dx made in ... Abdominal #ALines #POCUS
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
it has a narrow focus ... NegativePredictiveValue #Calculation
Complex Hydronephrosis on Renal POCUS

Look beyond the RUSH exam - normal echo/flat IVC/no abd FF/no AAA....
Hydronephrosis on Renal POCUS ... flat IVC/no abd FF ... Hydronephrosis #POCUS