7568 results
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
TP + FN) = true positives ... disease absent Positive ... TP + FP) = true positives ... / all positives ... all negatives Positive
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
Can Cause False Positives ... yielding false-positive ... can cause false positives ... Amphetamine false positives ... may cause false-positive
Phimosis 
Inability to retract the foreskin - Can be normal up to 3 years old -
3 years old - Clinically ... • Inability to reduce ... back to anatomic position
Abnormal (Positive, Upgoing) Babinski Sign on Physical Exam

#Abnormal #Positive #Babinski #Sign #PhysicalExam #clinical #video #reflex #pyramidal
Abnormal (Positive ... #Abnormal #Positive ... #PhysicalExam #clinical
APRV - Overview 

Airway pressure release ventilation (APRV) uses prolonged periods of high continuous positive airway
high continuous positive ... Intended as a rescue
Vancomycin and Dalbavancin (lipoglycopeptide antibiotics) - Antibiotics Class Overview

Mechanism: Glycopeptide -  inhibits cell wall synthesis
synthesis in Gram positives ... Spectrum: gram positive ... or proven gram positive ... choice for gram positive
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
Contributing to False Positives ... Rate of False Positives ... resulting in false-positive ... result in false positives ... enough to prevent positive
Positive Anterior Drawer Test in ACL Injury

Medical Vids
@TheMedicalVids

#ACL #Anterior #Drawer #Test #Positive #Clinical #Video #Knee #PhysicalExam
Positive Anterior ... #Drawer #Test #Positive ... #Clinical #Video
Umbilical Cord Prolapse - umbilical cord presents ahead of fetus
 • Elevate the presenting fetal part
fetal part to reduce ... knee-to-chest position
Positive Hoffmann’s Test (Finger Flexor Reflex) on Physical Examination

Indicates cervical spinal cord compression in this patient
Positive Hoffmann ... Reflex #test #sign #Positive ... #PhysicalExam #Clinical