22 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... and distal RTA, ... Syndrome • HTN, High ... Diagnosis #Algorithm #causes ... #potassium #low
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
urinary losses: • High ... acidosis: Proximal ... RTA, Distal RTA ... diagnosis #Algorithm #differential ... #low
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Causes of High-anion ... Acidosis Causes ... of High-anion Gap ... Potassium-sparing ... #Acidosis #differential
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... AG metabolic acidosis ... AG metabolic acidosis ... Metabolic acidosis ... disease (COPD, OSA
Causes of Non-Gap Metabolic Acidosis - Differential Diagnosis Algorithm
Normal Anion Gap (<14) (Loss of Bicarbonate) -
Causes of Non-Gap ... Metabolic Acidosis ... - Differential ... Cell Problem - Low ... Cell Problem - High
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
alkalosis • Normal/low ... the indicated causes ... acidosis, a high ... of sodium and potassium ... Algorithm #nephrology #differential
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
(NAGMA) - Differential ... • Serum K high ... - Diarrhea - High ... #Metabolic #NAGMA ... #Differential
Salicylate Toxicity - Diagnosis and Management

Consider if:
1) Patient is hot and altered
2) You see tachypnea with
no respiratory cause ... show anion-gap metabolic ... acidosis 4) Presentation ... Alkalosis, High ... Lactate, Low Potassium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... infusions) - Metabolic ... acidosis - Hyperkalemia ... #diagnosis #causes ... #potassium #high
High Output Heart Failure - Pathophysiology and Differential Diagnosis
Obesity - Systemic Vasodilation, Vasoactive Adipokines
Arteriovenous Fistula -
High Output Heart ... and Differential ... Hyperthyroidism - Increased Metabolism ... Diagnosis #cardiology ... #causes