13 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Mechanism Decreased GI ... Loses - Medications ... Hypomagnesemia #Differential ... #Diagnosis #Low ... Classification #Causes
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Pulmonary Renal ... Renal Syndromes ... ulcers, nodules • Neuro ... #Renal #Syndromes ... #differential #
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... • Drugs • Pulmonary ... • Bleeding • GI ... losses • Renal
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... • Drugs • Pulmonary ... • Bleeding • GI ... losses • Renal
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... - Compatible syndrome ... Sarcoidosis • Neuro ... Lesions #Brain #differential ... #diagnosis #causes
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
- Differential ... GI LOSS - FeMg ... Malabsorption RENAL ... , Pentamadine, CNIs ... • Gitelman's syndrome
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
Diagnosis Algorithm ... Chronic Disease • GI ... Celiac, IBD) • Renal ... Anorexia Nervosa • CNS ... endocrinology #causes
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Cirrhosis Syndrome ... the lung) - CNS ... hemorrhage) - Pulmonary ... Suppressed - Advanced renal ... #Causes #Sodium
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Scleromyxedema (CNS ... +GI+CVS+joints) ... +PNS+GI+Endocrine ... vascular beds-renal ... #Diagnosis #Oncology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Diagnosis Framework ... disorder (Cardiac, pulmonary ... etc) • CNS -> ... Upper Motor Neuron