1259 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
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
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
tests for the AC ... Diagnosis #Algorithm #MSK
Likelihood Ratios - Probability
Remember 2/5/10 and 15/30/45:
 • LR of 2 increases the probability by 15%
LRs #diagnosis #biostatistics
Classification of Pelvic Ring Fractures: Mechanisms, Clinical Features and Complications
 • Anterior Posterior Compression (APC) -
cyclist) - APC ... < 2.5cm - APC ... ligaments - APC ... Grade 3 - APC 2 ... #Orthopedics #MSK
Evaluation of Electrical Injury in the Emergency Department 

Common Injuries by System:

CNS - Seizure, coma, spinal
ED arrival MSK ... posterior shoulder - AC ... especially with AC