21 results
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diagnosis Algorithm - Diabetes ... Workup Step #1 ... & desmopressin test ... Algorithm #Sodium #nephrology
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
of Polyuria - Differential ... Water Deprivation Test ... Water Deprivation Test ... #Polyuria #Nephrology ... #Differential #
Diabetes Insipidus - Diagnosis Algorithm
Tests:
 • Osmolality, Urine AND/OR
 • Osmolality, Serum or Plasma AND
 •
Diabetes Insipidus ... Diagnosis Algorithm Tests ... Osmolality, Urine 1- ... Diagnosis #Algorithm #nephrology ... #differential
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - Differential ... Workup Algorithm 1) ... • Euvolemic: Diabetes ... Hypernatremia #Differential ... Workup #Algorithm #nephrology
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: ... constipation Differential ... • Provocative Tests ... absent anal wink test ... decompression #CaudaEquina
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
• Drugs • Diabetic ... type 2 • Type 1 ... Diagnosis #algorithm #nephrology ... #potassium #differential
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Hypokalemia - Differential ... acidosis (type 1 ... Ureterosigmoidostomy, Diabetic ... #hypokalemia #differential ... algorithm #causes #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... (Uncontrolled diabetes ... Increased K Intake: 1. ... #hyperkalemia #differential ... potassium #high #nephrology
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Ketoacidosis: Diabetic ... Hypokalemia 1. ... Hyperkalemia 1. ... Metabolic #Acidosis #differential ... diagnosis #causes #nephrology
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
The differential ... output is a clue). 1) ... post-obstructive 3) Diabetes ... ([Na] / 140) - 1) ... Treatment #management #nephrology