34 results
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... A urine K/Cr ratio ... • Diarrhea A urine ... diagnosis #Algorithm #differential ... #potassium #nephrology
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... - Differential ... lysis syndrome • Metabolic ... dietary intake • Blood ... blockers - MCW Nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
the basis of the potassium-to-creatinine ... effective arterial blood ... #urine #potassium ... #differential # ... algorithm #diagnosis #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Low intake • Metabolic ... Diagnosis #Algorithm #causes ... #potassium #low ... #nephrology
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... of glomerular bleeding ... → Refer to Nephrology ... if cause not identified ... #urology #blood
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Metabolic alkalosis ... #Differential # ... Algorithm #Diagnosis #Causes ... #Workup #Nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Crush injury • Blood ... infusions) - Metabolic ... diagnosis #causes ... #nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Kidney Injury - AKI Workup ... Investigations: full blood ... osmolarity If cause ... #Diagnosis #nephrology ... #causes
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
• Normal/low blood ... the indicated causes ... of sodium and potassium ... #Algorithm #nephrology ... #differential #
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
- Differential ... Malignancy True hypovolemia ... • Bleeding ... Hypo-osmolar urine ... #Hyponatremia #Nephrology