9 results
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
: • Most CNS opportunistic ... • CNS opportunistic ... Demyelinating disease ... and <25% culture positive ... InfectiousDiseases #Neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Toxoplasmosis (CD4 ... lymphoproliferative disease ... Lymphoma (CD4 < ... Lesions #Brain #differential ... causes #radiology #neurology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... Nausea, Pulmonary Diseases ... , CNS Disease, Meds ... always exclude: CKD ... Algorithm #diagnosis #nephrology
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... : - ANCA-positive ... infiltrates) → high ... Renal #Syndrome #differential ... #diagnosis #nephrology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
skin injury) • Neurologic ... basal ganglia, CNS ... Skin lesions • Positive ... ) Differential Diagnosis ... exacerbations: high-dose
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... phlebotomy High ... Hyperkalemia: • CKD ... • Addison’s disease ... #nephrology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... 0.8 Normal + High ... acidosis: - CNS ... restrictive lung disease ... Diagnosis #Summary #Nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... phlebotomy High ... Hyperkalemia: • CKD ... • Addison’s disease ... #nephrology
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Rhabdomyolysis - Differential ... Myoglobinuria: UA positive ... of underlying disease ... Rhabdomyolysis #Differential ... causes #treatment #nephrology