2621 results
POCUS Echocardiography - Table of Cardiac Views and Windows
 • Parastemal Long-Axis View (PLAX)
 • Parasternal
-Chamber View (A4C ... -Chamber View (A5C ... -Chamber View (A2C ... -Chamber View (A3C
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
Important Biostatistics ... = Rule IN #Biostatistics
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
#Abnormal Uterine bleeding. #Late #Bleeding #Pregnancy #Differential #Diagnosis #Algorithm #Causes #Obstetrics #OBGyn
#AUB #Abnormal #Uterine #Bleeding #Mnemonic
Bleeding #Pregnancy #Differential ... Obstetrics #OBGyn #AUB ... Obstetrics #Gynecology #Differential
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
ConfusionMatrix #Biostatistics
Echocardiogram and POCUS Cardiology Windows and Anatomy
 • Parasternal Long Axis (PLAX)
 • Subcostal 4 Chamber
Apical 4 Chamber (A4C ... Apical 2 Chamber (A2C
Likelihood Ratios - Probability
Remember 2/5/10 and 15/30/45:
 • LR of 2 increases the probability by 15%
LRs #diagnosis #biostatistics
Comparison of Causes of Salt-Wasting in Infancy
 - PHA 1
 - PHA 3
 - 21-OH CAH
CAH - X-Linked AHC ... Comparison #Causes #differential
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
Pancytopenia - Differential ... 12-13 g/dL, • ANC ... studies, PT/aPTT Differential ... #Pancytopenia #Differential