26 results
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... Mineralocorticoid excess - Renal ... proliferation - Hypokalemic ... Eric Strong https ... Classification #Causes
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Causes of High-anion ... Metabolic Acidosis Causes ... and chronic) Causes ... Distal (classic) ... differential #diagnosis #causes
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Algorithm Extra-renal ... loss (Diarrhea) Renal ... Proximal and distal RTA ... Diagnosis #Algorithm #causes
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... Villous adenoma Renal ... chewing tobacco, Renal ... exercise, Heat stroke ... #Causes #differential
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
wasting from other causes ... suggests extra-renal ... causes • Laxative ... acidosis: Proximal RTA ... , Distal RTA, DKA
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Acidosis - RTA ... Renal artery stenosis ... NephTwitter) #Hypokalemia ... Algorithm #Diagnosis #Causes
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
hypercalcemia - Chronic hypokalemia ... - Various renal ... diseases (e.g. renal ... Eric Strong https ... Diagnosis #Table #Causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
diarrhea / IBD Renal ... Hypercalcemia - Hypokalemia ... - Familial renal ... Eric Strong https ... Classification #Causes
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Causes of Secondary ... Testing Common causes ... (correction of hypokalemia ... agent Uncommon causes ... Differential #Diagnosis #Causes
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
resistance Impaired Renal ... deficiency • Renal ... SLE • Type IV RTA ... • Renal hypoperfusion ... differential #diagnosis #causes