19 results
TYPE I & TYPE II ERRORS 

SENSITIVITY & SPECIFICITY = SNOUT & SPIN 
Sensitive Tests that
TYPE I & TYPE II ERRORS ... #Type1 #Type2 #Errors ... #Biostatistics
P-Value Significance - Visualized in number of "heads in a row"

- Jonas Obleser, PhD - https://twitter.com/jonasobleser

#PValues
Significance #heads #CoinFlip ... #Biostatistics
Pneumonia on Chest Xray and POCUS

Extensive pneumonia in lower left lobe (red arrow). 
POCUS: Dynamic air
Chest Xray and POCUS ... POCUS: Dynamic air ... bronchogram (green arrows ... AirBronchogram #POCUS
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Epidemiology and Biostatistics ... Affected by random error ... by systematic error ... true Type II (β) error ... #Epidemiology #Biostatistics
Inferior Regional Wall Motion Abnormalities on POCUS Echocardiogram

Older male with chest pain, diaphoresis. ECG with concerning
Abnormalities on POCUS ... inferoseptal (between arrows ... #Abnormality #POCUS
Proximal aorta transverse view caudal to Figure 3. Note inferior vena cava (ivc), aorta (ao), anterior
vertebral body (yellow arrows ... Clinical #Radiology #POCUS
Proximal aorta longitudinal view demonstrating the abdominal aorta (red arrows), the celiac trunk (yellow arrow) and
abdominal aorta (red arrows ... Radiology #Vasc #POCUS
Emphysematous Prostatitis - Radiography of the kidney, ureter, and bladder showed an atypical focus of gas
showed an atypical focus ... ramus (Panel A, arrows
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
pleura line (thin arrows ... Diagnosis #HRCT #POCUS
Urothelial Thickening on Renal POCUS
Teenager (female) with flank pain and fever.  POCUS to evaluate for
Thickening on Renal POCUS ... POCUS to evaluate ... outlined between arrows ... Thickening #Renal #POCUS