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The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
Diagnostic Approach to Hyperkalemia ... inhibitors Other causes ... LMW heparin - ACE-I ... Beta-Blockers #Hyperkalemia ... #differential #causes
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Causes of High-anion ... Hypokalemia ... Hyperkalemia ... Drug-induced hyperkalemia ... ACE-Is and ARBs
ACEI or ARB Initiation
Hyperkalemia:
 - Review concurrent drugs
 - Moderate potassium Intake
 - Consider: diuretics, sodium
ACEI or ARB Initiation ... Hyperkalemia: ... - Review for causes ... artery stenosis #ACEI
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... Aldosterone • ACEi ... • NSAlDs #Hyperkalemia ... Diagnosis #Algorithm #Causes
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Suspicion for Hyperkalemia ... Drugs Causing Hyperkalemia ... • NSAIDs • ACE ... differential #diagnosis #causes
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Suspicion for Hyperkalemia ... Drugs Causing Hyperkalemia ... • NSAIDs • ACE ... differential #diagnosis #causes
Hyperuricemia - Differential Diagnosis Algorithm
Primary - Over-production
     • Increased turnover of nucleotides
Primary
Sarcoidosis • Hypercalcemia ... drugs • ACE ... endocrinology #causes
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
Causes of Hyperkalemia ... Hyperkalemic periodic ... Angiotensin-converting enzyme (ACE ... combination with ACE ... Classification #Causes
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... Weakness, cramping, nausea ... Medications: K+, ACEi ... only if no clear cause ... #Hyperkalemia
Here’s a review of the Renin-Angiotensin-Aldosterone system (RAAS)

This is a very common pathway that clinicians should
sodium, which causes ... inhibiting drug classes ... (Aliskiren, ACEI ... avoid harmful hyperkalemia