31 results
Approach to Diarrhea - Differential Diagnosis and Workup Algorithm

Acute Diarrhea (MINT):
 • Medications
 • Infections: Inflammatory
- Differential ... Diagnosis and Workup ... (MINT): • Medications ... ingestions ischemia) Chronic ... #Differential #
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Diagnosis Algorithm ... Thyrotoxicosis Medications ... losses (NG suction, diarrhea ... #nephrology #low ... #potassium
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... failure • Chronic ... #Hyperkalemia #Diagnosis ... #algorithm #nephrology ... #potassium #differential
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
GI losses - Chronic ... diarrhea / IBD ... Medications ... Hypomagnesemia #Differential ... #Diagnosis #Low
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Diagnosis Algorithm ... Extra-renal Losses ... Gl tract loss (Diarrhea ... #causes #potassium ... #low #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential ... Malabsorption, Chronic ... diarrhea, Poor ... FEPO4 ≥ 5% - Renal ... #nephrology
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Evaluation of Chronic ... Medications 7. ... 1000 g/24 h) #Chronic ... #algorithm #workup ... #diagnosis #differential
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
Diagnosis Framework ... Loss of HCO3 - Diarrhea ... Surgical drains - Chronic ... #Diagnosis #Workup ... #nephrology
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
biliary fistula - Diarrhea ... osmotic diuresis - Potassium ... #differential # ... medications #drugs ... #pharmacology #
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Acidosis - RTA - Diarrhea ... Renal artery stenosis ... #Algorithm #Diagnosis ... #Causes #Workup ... #Nephrology