11 results
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
NG drainage - Diarrhea ... #Diagnosis #Low ... #Potassium #Table ... #Classification ... #Causes
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Shock - Differential ... Diagnosis by Classification ... • Severe diarrhea ... exacerbation (any cause ... #Table #CriticalCare
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... CHAMPS Mnemonic C ... Hypocomplementemia #Low ... Mnemonic #diagnosis #differential ... #hematology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
temperatures below 37°C ... Secondary to Autoimmune ... factor level • Low ... #classification ... #rheumatology #
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
losses - Chronic diarrhea ... #Diagnosis #Low ... #Magnesium #Table ... #Classification ... #Causes #Workup
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
group of disorders caused ... skin that are caused ... DDX: Rule Out Secondary ... Causes • Anemia ... blood count with differential
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Agglutinin Disease 3 Types ... AIHA Primary Secondary ... originate from a low-grade ... titer of ≥64 at 4°C ... younger pts) Differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... myeloperoxidase (MPO) - (C-ANCA ... • Complement (Low ... #diagnosis #rheumatology ... #classification
Causes of Hypokalemia
I. Decreased intake
   A. Starvation
   B. Clay ingestion
II. Redistribution into
Causes of Hypokalemia ... Gastrointestinal loss (diarrhea ... #Hypokalemia #Differential ... #Diagnosis #Low ... #Potassium #Classification
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
Causes of Hyperkalemia ... Drug-associated: heparin, low-molecular-weight ... #Hyperkalemia #Differential ... High #Potassium #Classification ... #Causes