34 results
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
- Differential Diagnosis ... in kidneys) - Medications ... renal amyloidosis ... #Differential #Diagnosis ... #Table #Causes
Approach to Gout
Diagnosis: r/o septic arthritis! Needle-shaped, negative birefringent crystals
Treatment:
 • Weight loss, diet, d/c culprit
: r/o septic arthritis ... diet, d/c culprit medications ... Urate nephropathy, renal ... #management #treatment ... #ULT #rheumatology
Hydroxychloroquine Serum Measurement in SLE
 • Terminal elimination half-life = 40 days ([HCQI reflects long-term intake)
200ng/mL Best indications ... • Special cases ... (e.g. renal failure ... Measurement #SLE #rheumatology ... levels #lupus #management
Priapism 

Secondary Causes:
Medications- intracavernosal injections, anticoagulants, PDE5 inhibitors, alpha blockers, methylphenidate, cocaine
Any hyperviscosity syndrome (SCD, leukemia,
Secondary Causes ... : Medications- ... leukemia, myeloma, etc ... #Priapism #Diagnosis ... #Management #Urology
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
- Differential Diagnosis ... breast, prostate, renal ... #Differential #Diagnosis ... #causes #primarycare ... #table
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
by Mechanism Renal ... IV Mg infusion (e.g ... #Differential #Diagnosis ... High #Magnesium #Table ... #Causes #Management
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... Metabolic • Renal ... • Rheumatoid Arthritis ... Pulmonary Disease Neurologic ... • Drug Abuse (e.g
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... family history - Medications ... function test, ANA (e.g ... (CVID, WAS), (neurologic ... #hematology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
and Differential Diagnosis ... with previously stable ... heart failure, neurologic ... Neurologic disorders ... #indications
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
- Differential Diagnosis ... and Management ... Herpes, Coxsackie etc ... per day until stable ... #causes #treatment