200 results
Arthrocentesis - Synovial Fluid Analysis
Normal < 150 WBC, Colorless/Straw color, High Viscosity
Noninflammatory < 3,000 WBC, Straw/yellow
Analysis Normal < 150 WBC ... Inflammatory > 3,000 WBC ... purulent) > 50,000 WBC ... similar to blood ... interpretation #diagnosis
Diagnostic approach to a limping child with an antalgic gait. 

(CBC = complete blood count; CRP
Diagnostic approach ... blood count; CRP ... resonance imaging; WBC ... = white blood cell ... Peds #Pediatrics #Diagnosis
Interpretation of Components of the CBC (Complete Blood Count)

#CBC #Interpretation #CompleteBloodCount #Hematology #Differential #Diagnosis #Laboratory
Components of the CBC ... (Complete Blood ... Count) #CBC ... #Differential #Diagnosis
Red Blood Cell Morphology Atlas

Size variation, Hemoglobin distribution,  
Hypochromia,  
Shape variation,  
Inclusions, 
Red
Red Blood Cell Morphology ... distribution #Diagnosis ... #Path #Blood #Smear ... #RBC #Morphology
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
of peripheral blood ... Differential Diagnosis ... cultures, including blood ... counts may delay diagnosis ... #differential #diagnosis
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Hyperkalemia Differential Diagnosis ... Alwavs Repeat Blood ... while drawing blood ... hemolysis) • RBC ... #Differential #Diagnosis
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
multiplex WORKUP & DIAGNOSIS ... coagulopathy) • CBC ... reveals increasing blood ... gross hematuria, RBC ... #differential #diagnosis
Hemothorax on Lung POCUS with Spine Sign

GSW to left chest.  Perisplenic window focusing on lower
Diagnosis? ... area of clotted blood ... Note that clotted blood ... Sign #clinical #ultrasound ... #Pulmonary
Pathologic Red Blood Cell (RBC) Morphologies and Associated Diseases

Acanthocyte (spur cell),  
Basophilic stippling, 
Bite cell,
Pathologic Red Blood ... Cell (RBC) Morphologies ... cell, Other RBC ... Howell-Jolly bodies #RBC ... Pathology #Hematology #Diagnosis
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Chest Pain - Diagnosis ... Pneumothorax • Pulmonary ... EKG • Bedside ultrasound ... • CXR • CBC ... #Chest #Pain #Diagnosis