49 results
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Defining the cause ... gastrointestinal K loss • Renal ... • Renal tubular ... #nephrology #potassium
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Causes of Hypokalemia ... of hypokalemia ... that is leaky all ... drain wide open all ... #workup #nephrology
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
oxoproline) • Renal ... Renal acidosis ... Hypokalemia ... ACE-Is and ARBs ... #nephrology
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Differential Diagnosis Renal ... Causes of Hypomagnesemia ... hypomagnesemia Renal ... pentamidine), Hypercalcemia ... #nephrology #magnesium
Hyperuricemia - Differential Diagnosis Algorithm
Primary - Over-production
     • Increased turnover of nucleotides
Primary
Diabetic acidosis - Renal ... • Chronic renal ... Sarcoidosis • Hypercalcemia ... drugs • ACE ... endocrinology #causes
Drugs that Impair Renal Potassium Excretion 

Decreased ENaC channel function: Amiloride, Triamterene, Pentamidine
Decreased Aldosterone Synthesis: Heparin,
Drugs that Impair Renal ... Aldosterone Release: ACE ... happypillsrx/ #Hyperkalemia ... Pathophysiology #Pharmacology ... Impaired #Potassium #Renal
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... hormone secretion Hypervolemia ... failure Hypervolemia ... Diagnosis #Algorithm #Causes ... #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• NSAIDs • ACE ... deficiency • Renal ... Type IV RTA • Renal ... differential #diagnosis #causes ... potassium #high #nephrology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Hypertensive: • High Al ... Gitelman's syndrome #Hypokalemia ... Diagnosis #Algorithm #nephrology ... #causes #low #potassium
The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
Diagnostic Approach to Hyperkalemia ... inhibitors Other causes ... cell disease - Renal ... LMW heparin - ACE-I ... #differential #causes