11 results
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
- Differential ... Diagnosis Algorithm ... discrete buckets: 1. ... #Differential # ... Causes #workup #nephrology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... #Differential # ... Algorithm #Diagnosis ... Causes #Workup #Nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential ... Diagnosis Algorithm ... acidosis (type 1 ... #differential # ... #causes #nephrology
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diagnosis Algorithm ... Workup Step #1 ... & desmopressin test ... #Sodium #nephrology
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... algorithm Decreased ... type 2 • Type 1 ... #nephrology #potassium ... #differential
Diabetes Insipidus - Diagnosis Algorithm
Tests:
 • Osmolality, Urine AND/OR
 • Osmolality, Serum or Plasma AND
 •
Insipidus - Diagnosis Algorithm ... Tests: • Osmolality ... Water deprivation test ... Osmolality, Urine 1- ... #nephrology #differential
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
• Prevalence: 1: ... • Provocative Tests ... absent anal wink test ... decompression #CaudaEquina ... diagnosis #causes #neurology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... +K / serum Na >1 ... Present (Uosm ≥100): Hypovolemia ... #Hyponatremia #differential ... table #sodium #nephrology
Causes of Hyperkalemia - Intercellular Shift - Differential Diagnosis Algorithm
Transcellular Shift - Appropriate renal excretion (GFR,
Causes of Hyperkalemia ... Diagnosis Algorithm ... antagonism • alpha-1 ... IntercellularShift #Nephrology ... #Differential #
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
Pragmatic diagnostic algorithm ... for hypokalemia ... with urine Na/Cl ~1. ... #diagnosis #differential ... #algorithm #nephrology