54 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Algorithm Extra-renal ... Gl tract loss (Diarrhea ... #Differential #Diagnosis ... #Algorithm #causes
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... Osmotic diuresis (see ... mannitol, glucosuria Low ... loss • Watery Diarrhea ... #Algorithm #Causes
The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
inhibitors Other causes ... transplant - SLE ... Ketoconazole Low ... #Hyperkalemia #Algorithm ... #causes
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
- Differential Diagnosis ... NG drainage - Diarrhea ... #Low #Potassium ... #Table #Classification ... #Causes
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
10% of all lupus cases ... in >90% - Low ... Positive in 60-80% of cases ... #comparison #table ... #rheumatology #diagnosis
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Urine Mg < 10g • Diarrhea ... Hypomagnesemia #Magnesium #Low ... #Causes #Differential ... #Diagnosis #Algorithm
Shock - Differential Diagnosis Algorithm
Warm Extremities
 - Distributive Shock - Low JVP
- Differential Diagnosis ... Algorithm Warm ... Distributive Shock - Low ... Vomiting • Diarrhea ... #Algorithm #causes
What is the difference between ischemic colitis and mesenteric ischemia?
A common misnomer. Mesenteric ischemia and ischemic
scripts and initial treatment ... algorithms. ... to nonocclusive low ... #differences #diagnosis ... #table
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... wasting from other causes ... suggests extra-renal causes ... Laxative use • Diarrhea ... #Hypokalemia #diagnosis
Hypomagnesemia - Etiologies by Mechanism

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