17 results
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... Aldosterone • ENaC blockers ... nephropathy • Beta ... #Hyperkalemia #IntercellularShift ... #Nephrology #Differential
The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
inhibitors Other causes ... Ketoconazole Low ... - NSAlDs - Beta-Blockers ... #Hyperkalemia #Algorithm ... #differential #causes
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... duration CLASS 2 - Beta ... alpha & beta adrenergic ... #Pharmacology #Classification ... #Classes #pathophysiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... duration CLASS 2 - Beta ... alpha & beta adrenergic ... #Pharmacology #Classification ... #Classes #pathophysiology
Causes of Hyperkalemia - Intercellular Shift - Differential Diagnosis Algorithm
Transcellular Shift - Appropriate renal excretion (GFR,
Causes of Hyperkalemia ... , TTKG, distal flow ... Resistance • Beta ... #Hyperkalemia #IntercellularShift ... #Nephrology #Differential
Pheochromocytoma - Diagnosis and Management Summary
10 percent rule = 10% of pheochromocytomas are extra-adrenal, multiple, bilateral,
and panic attack-type ... hypotension (may reflect low ... glucose, apparent type ... Starting beta blockers ... • Beta blockers
Causes of Non-Gap Metabolic Acidosis - Differential Diagnosis Algorithm
Normal Anion Gap (<14) (Loss of Bicarbonate) -
Causes of Non-Gap ... Differential Diagnosis Algorithm ... Cell Problem - Low ... MetabolicAcidosis #NonGap #Nephrology ... #Causes
Causes of Nephrolithiasis - Differential Diagnosis Algorithm
Radio-opaque - Calcium-containing - 90% of stones
Radiolucent - Non-calcium 10%
Causes of Nephrolithiasis ... solubility: • Low ... Hypocitraturia • RTA Type ... Nephrolithiasis #Nephrology ... #Causes
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
potassium • Beta ... cell membrane - Beta ... Failure • SLE • Type ... differential #diagnosis #causes ... potassium #high #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
potassium • Beta ... cell membrane - Beta ... Failure • SLE • Type ... differential #diagnosis #causes ... potassium #high #nephrology