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

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... should be based ... • Symptoms: Fever ... tuberculomas, or abscesses ... InfectiousDiseases #Neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
PCR 50% sensitive ... Syphilis • Pyogenic Abscess ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Diagnosis Algorithm ... Encephalitis, Brain Abscess ... Neurocysticercosis, PML ... #Diagnosis #Algorithm ... #Causes #neurology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Diagnosis Algorithm ... brain lesion • CNS ... arteritis • Acute ... #Diagnosis #Algorithm ... #neurology #PHANTOMS
Causes of Hypotonic Infant (Floppy Newborn) - Differential Diagnosis Algorithm
Central Nervous System - Decreased LOC, Axial
Diagnosis Algorithm ... Hemorrhage • CNS ... Hematoma • Abscess ... #Diagnosis #Algorithm ... #Causes #Peds #
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Diagnosis Algorithm ... Pulmonary Diseases, CNS ... Disease, Meds ( ... #Diagnosis #Algorithm ... #diagnosis #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Hypernatremia - Differential ... Diagnosis Algorithm ... ICU patients • Fever ... Hypernatremia #Nephrology ... Diagnosis #Algorithm
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Hypochloremia - Differential ... Diagnosis Algorithm ... secretion • Acid-base ... #Diagnosis #Algorithm ... Pathophysiology #Nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Diagnosis Algorithm ... Refeeding Syndrome, Acute ... inhibitor, Estrogen based ... #Diagnosis #Algorithm ... #nephrology #phosphorus
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... Acute or chronic ... Anxiety, pain, fever ... acidosis: - CNS ... #Summary #Nephrology