43 results
Hyperkalemia Hypokalemia - Differential Diagnosis and Management Algorithm

Dr Pravin Patel

#Hypokalemia #Hyperkalemia #potassium #differential #diagnosis #management
Hypokalemia - Differential ... Diagnosis and Management ... #Hyperkalemia #potassium ... #differential # ... diagnosis #management
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... Decreased renal potassium ... transfusion • Tumor ... #Hyperkalemia #Diagnosis ... #differential
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Diagnosis Framework ... Beta blockers • Antibiotics ... #diagnosis #causes ... #potassium #high
Potassium Channel Blockers - Medications
1. Cardiovascular Drugs
2. Psychiatric drugs
3. Other drugs
4. Synthetic opioids: Levomethadyl 
5. Opium
Potassium Channel ... Organophosphates #Potassium ... #Medications #Differential ... #Diagnosis #Pharmacology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Renin secreting tumor ... #Diagnosis #Algorithm ... #causes #potassium
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
#hyperkalemia #differential ... #diagnosis #pathophysiology ... #pharmacology # ... potassium #medications
Tumor Lysis Syndrome - Workup and Management

Initial workup: BMP, Serum uric acid, LDH, Urine output, Consider
Tumor Lysis Syndrome ... - Workup and Management ... ≥ 8 mg/dL • Potassium ... Lysis #Syndrome #diagnosis ... #management #oncology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Diagnosis Framework ... • Recent IV potassium ... Beta blockers • Antibiotics ... #potassium #high
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Pupillary Defects - Differential ... Diagnosis Algorithm ... dissociation) • Pharmacologic ... • Botulism Pharmacologic ... #Diagnosis #Algorithm
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Diagnosis Algorithm ... Renin-secreting tumor ... #Diagnosis #Algorithm ... #causes #low #potassium