16 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential ... Knee Effusion ... #Effusions #causes ... diagnosis #msk #
Causes of Acute Kidney Injury ( AKI ) - Prerenal, Renal, and Postrenal

PRE-RENAL 
Impaired perfusion: 
•
Causes of Acute ... • Inflammatory disease ... Urethral stricture/valves ... /phimosis #Diagnosis ... #Nephrology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... (MS), Epidural ... Phrenic nerve injury ... #differential # ... diagnosis #neurology
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
to Acute Kidney Injury ... - Pre-renal disease ... AcuteKidneyInjury #AKI #Nephrology ... #Diagnosis #Algorithm ... #Causes #Differential
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
and Differential ... previously stable values ... or acute kidney injury ... Renal parenchymal disease ... #causes #Differential
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
activity - A low value ... hallmark for the disease ... If the value is ... WBC count and differential ... #Workup #Hematology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... an underlying cause ... that a one-off value ... As with many disease ... Best to have an
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... mononeuritis multiplex WORKUP ... quantify renal injury ... anti-GBM) Other tests ... LVEF, pericardial effusion
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... • Trauma/Crush injury ... • Addison’s disease ... #diagnosis #causes ... potassium #high #nephrology
Low Back Pain (Lumbago) - Common Differential Diagnosis and Patterns

Mechanical Low Back Pain:
Aching pain in the
Lumbago) - Common Differential ... Diagnosis and Patterns ... or inflammatory disease ... Commonly work related ... pain below the knee