32 results
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... - Differential ... Transcellular Shift ... #potassium #low ... #pathophysiology
Oxyhemoglobin Dissociation Curve 

Left Shift - decreased unloading of O2 at tissue level (i.e.  increased
Curve Left Shift ... - incr H+ (acidosis ... Dissociation #Curve #Pathophysiology ... #Differential # ... Causes #Diagnosis
Hypokalemia Differential Diagnosis Algorithm

Low intake 
ā€¢ poor oral intake 

Renal loss 
ā€¢ Medication 
ā€¢ Hypomagnesemia 
ā€¢
Hypokalemia Differential ... Renal tubular acidosis ... Transcellular shift ... Diagnosis #Algorithm #Causes ... #Classification
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 ā€¢ Normal Acid-Base: Low intake
 ā€¢ Metabolic acidosis: Gl tract
Hypokalemia - Differential ... ā€¢ Metabolic acidosis ... Syndrome ā€¢ HTN, High ... Diagnosis #Algorithm #causes ... #potassium #low
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... Renal tubular acidosis ... Diagnosis #Low #Potassium ... #Table #Classification ... #Causes
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 ā€¢ Possible Lab error! Alwavs Repeat Blood sample!
 ā€¢ Leukocytosis, Thrombocytosis:
Hyperkalemia Differential ... TTKG should be high ... Diagnosis #Algorithm #causes ... #potassium #high ... #pathophysiology
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 ā€¢ Lactic acidosis
Causes of High-anion ... Causes of High-anion ... and chronic) Causes ... Potassium-sparing ... #differential #
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 ā€¢ Lab error
 ā€¢ Traumatic venipuncture
 ā€¢ Hemolysis, thrombocytosis, leukocytosis
 ā€¢
Hyperkalemia - Differential ... Intracellular Shift ... - Metabolic acidosis ... #diagnosis #causes ... #potassium #high
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... 0.8 Normal + High ... 0.8-2.0 Pure High ... of High Anion Gap ... Classicallyā€¯ noted with pulmonary
Salicylate Toxicity - Diagnosis and Management

Consider if:
1) Patient is hot and altered
2) You see tachypnea with
no respiratory cause ... anion-gap metabolic acidosis ... , Diaphoresis, Pulmonary ... Respiratory Alkalosis, High ... Lactate, Low Potassium