19 results
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diagnosis Algorithm - Diabetes ... Workup Step #1 ... history Step #2 ... & desmopressin test
Diabetes Insipidus - Diagnosis Algorithm
Tests:
 • Osmolality, Urine AND/OR
 • Osmolality, Serum or Plasma AND
 •
Diabetes Insipidus ... Osmolality, Urine 1- ... 2 hrs post administration ... Diagnosis #Algorithm #nephrology ... #differential
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - Differential ... Workup Algorithm 1) ... renal mechanism 2) ... • Euvolemic: Diabetes ... Workup #Algorithm #nephrology
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
• Drugs • Diabetic ... PHA type l/type 2 ... • Type 1 #Hyperkalemia ... 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 ... of 2), Ureterosigmoidostomy ... , Diabetic ketoacidosis ... algorithm #causes #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
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Ketoacidosis: Diabetic ... Proximal RTA (type 2) ... 2. ... Metabolic #Acidosis #differential ... diagnosis #causes #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... (Uncontrolled diabetes ... Increased K Intake: 1. ... Medications 2. ... potassium #high #nephrology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Interpretation: 1. ... 2. ... mmol/L Step 1 ... Ketoacidosis (starvation, diabetic ... Diagnosis #Summary #Nephrology
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
output is a clue). 1) ... water unavailable 2) ... post-obstructive 3) Diabetes ... ([Na] / 140) - 1) ... Treatment #management #nephrology