39 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Seronegative Reactive Syndrome ... - Aneurysmal bone ... Effusions #causes #differential ... diagnosis #msk #physicalexam
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... acid, Liddle's Syndrome ... , Gitelman's syndrome ... #Hypokalemia #Differential ... Diagnosis #Algorithm #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Metabolic Alkalosis - Differential ... , Gitelman Syndrome ... , Liddle syndrome ... Metabolic #Alkalosis #Differential ... Diagnosis #Algorithm #Nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Metabolic Alkalosis - Differential ... , Gitelman Syndrome ... , Liddle syndrome ... Metabolic #Alkalosis #Differential ... Diagnosis #Algorithm #nephrology
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
transporter Bartter syndrome ... limb Gitelman syndrome ... tubule Liddle syndrome ... Defects #Kidney #Nephrology ... #Diagnosis #Differential
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Hypokalemia - Differential ... Diagnosis Algorithm Once ... that is leaky all ... #Hypokalemia #Differential ... Causes #workup #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Hypophosphatemia - Differential ... malabsorption), Hungry bone ... syndrome • Renal ... Hypophosphatemia #Differential ... Algorithm #causes #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Hypophosphatemia - Differential ... alkalosis, Hungry bone ... syndrome, Tumor ... Hypophosphatemia #Differential ... Workup #phosphate #nephrology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Reflexes: • Knee ... • Cauda Equina Syndrome ... Myotomes #diagnosis #neurology ... sensory #motor #leg #physicalexam
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup - Differential ... metastases, Hungry bone ... syndrome Dr. ... Hypocalcemia #Workup #Differential ... Diagnosis #Algorithm #nephrology