82 results
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
perfect positive correlation ... perfect negative correlation ... , 0 = no correlation ... but not on the causal ... Biostatistics #formulas
Correction formulas for Hypernatremia and Hyponatremia
#Management #Nephro #Hyponatremia #Hypernatremia #Correction #FreeWaterDeficit #Formulas #Androgue #Calculation
Correction formulas ... Hypernatremia #Correction ... FreeWaterDeficit #Formulas
Hyponatremia - Correction for Hyperglycemia

#Diagnosis #Pseudohyponatremia #Hyperglycemia #Glucose #Correction #Formula #Sodium #Na
Hyponatremia - Correction ... Hyperglycemia #Glucose #Correction ... #Formula #Sodium
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
Sensitivity is the proportion ... correctly diagnose a case ... that any given case ... Specificity is the proportion ... Table #PPV #NPV #Formulas
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Hyponatremia is usually caused ... the underlying cause ... and avoid rapid correction ... (max rate of correction ... /L/day) Rapid correction
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
interval is inversely proportional ... rate • Bazett formula ... are multiple QTc correction ... formulas • Prolonged
Management of Hyponatremia
Hypertonic Saline - Only indicated if patient has severe symptoms + Na < 125
Give
The target for correction ... hypertonic saline correction ... FE Urate post correction ... SIADH — look for cause ... hourly • Identify Cause
Pes Anserine Bursitis - MSK Radiology
Imaging Findings:
 • T2-hyperintense fluid-like signal along the medial aspect of
Case description ... Well-defined fluid collection ... SURE to exclude connection ... Parameniscal cyst: connection
SGLT2 Inhibitors and Euglycemic DKA

Risk factors for euglycemic DKA in those on an SGLT2i include:
 •
following: • Correction ... dehydration • Correction ... therapy in severe cases
Hyphema on Physical Exam

Hyphema is a collection of blood in the anterior chamber of the eye,
Hyphema is a collection ... the eye, usually caused