29 results
Thyroid Function Tests (TFTs) and Interpretation

 • TSH, Free T4, Free T3
 • T3 Uptake
 •
Thyroid Function ... Tests (TFTs) and Interpretation ... #Tests #TFTs #Interpretation ... endocrinology #diagnosis #laboratory ... #patterns #differential
Interpretation of Hepatitis B Serologies 
HBsAg - HBcAb (total) - HBcAb (IgM) - HBsAb
Susceptible to HBV
Immune
Interpretation of ... infection vs "Low ... diagnosis #hepatology #interpreation ... #testing #laboratory
Spirometry - PFT Interpretation Algorithm

- BWH Medicine Chiefs @BrighamChiefs

#Spirometry #PFTs #Interpretation #Algorithm #diagnosis #differential #pulmonary #function
Spirometry - PFT Interpretation ... Spirometry #PFTs #Interpretation ... Algorithm #diagnosis #differential ... #pulmonary #function ... #testing
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Arthrocentesis Interpretation ... • Viscosity: Low ... RBC's Crystal analysis ... Lyme: Serological testing ... #joint #fluid #analysis
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Hypokalemic periodic paralysis ... GI losses (NG suction ... vomiting) • Low ... Algorithm #nephrology #low
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... type 4) - Salt wasting ... Hypokalemic periodic paralysis ... #Hypokalemia #Differential ... #Diagnosis #Low
Priapism: Pathogenesis

 - Post-cavernosal venous occlusion -> Post-cavernosal venous drainage is mechanically obstructed e.g. sickle cell
cell disease, dialysis ... -> Ischemic (Low-flow ... Inadequate venous function ... Prolonged erection lasting
Deciphering the SAAG - Serum to Ascites Albumin Gradient
Ascites is either made in the liver sinusoid
oncotic pressure Low ... Albumin #Gradient #Interpretation ... #Differential # ... Analysis
Infectious Diarrhea - Laboratory Testing

Clostridium difficile
Salmonella enterica, Shigella spp, Campylobacter spp 
Salmonella enterica serovars Typhi and
Infectious Diarrhea - Laboratory ... Testing Clostridium ... Microsporidia (now ... Diarrhea #diagnosis #differential ... #Laboratory #Testing
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
arrhythmias and paralysis ... differentiating kidney K wasting ... consumption • Low ... diagnosis #Algorithm #differential ... potassium #nephrology #low