22 results
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Arthrocentesis - ... Disease Process: OA ... #Diagnosis #Differential ... Effusion #Analysis #Table ... Pseudogout #Septic #Infective
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
Arthrocentesis of ... 50,000 #Diagnosis #Differential ... #Arthrocentesis ... Effusion #Analysis #Table ... Pseudogout #Septic #Infective
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
or pseudogout, OA ... *Always do arthrocentesis ... with bacterial infection ... prosthetic joint infection ... approach #workup #differential
Synovial Fluid Analysis:

Findings (COLOR	TRANSPARENCY	VISCOSITY	WBC COUNT (PER MM3)	PMN CELL COUNT (%)	GRAM STAIN	CULTURE	PCR TEST	CRYSTALS)

By Condition (Normal 
Noninflammatory 
Inflammatory:
#Diagnosis #Arthrocentesis ... Effusion #Analysis #Table ... Pseudogout #Septic #Infective
Monoarthritis - Differential Diagnosis
Infection (Acute):
 - S. aureus (most common)
 - S. pneumonia
 - Salmonella (in
Monoarthritis - Differential ... Diagnosis Infection ... Infection (Chronic ... Sarcoid - Erosive OA ... Monoarthritis #Differential
Ascites Differential Diagnosis Table - Serum Ascites Albumin Gradient (SAAG)

SAAG ≥ 1.1:
 • Cirrhosis
 • Portal
Ascites Differential ... Diagnosis Table ... • Serositis (infection ... MatthewHoMD #Ascites #Differential ... #Diagnosis #Table
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders - Differential ... within 1 month of infection ... Osteoarthritis (OA ... Disorders #msk #Differential
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Hyponatremia - Differential ... Pressure (“Decr Effective ... #Hyponatremia #Differential ... #Diagnosis #Table
Infection-Related Cancers
Viruses:
 • HPV - Cervical, anogenital, head and neck, skin cancer
 • HTLV-1 - Adult
Infection-Related ... @drkeithsiau #Infection ... Cancers #oncology #differential ... #diagnosis #table
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
in SIADH RAAS Inactive ... or Ineffective ... #Hyponatremia #differential ... #diagnosis #table