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Quick Medical Diagnosis & Treatment
Hyperkalemia
Sections: Key Features, Essentials of Diagnosis, General Considerations, Etiology (Table 21–5), Clinical Findings, Symptoms and Signs, Diagnosis, Laboratory Tests, Diagnostic Procedures, ECG Changes, Treatment, Medications, Therapeutic Procedures, Outcome, Follow-Up, Prognosis, Prevention, When to Refer, When to Admit, References,
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Topics Discussed: hyperkalemia.
Excerpt: | | 
Spurious
| | – Leakage from erythrocytes, marked thrombocytosis or leukocytosis – Repeated fist clenching during phlebotomy – Specimen from arm with K+ infusion |
Decreased excretion | | – Kidney disease, acute and chronic – Renal secretory defects, eg, interstitial nephritis, sickle cell disease – Hyporeninemic hypoaldosteronism (type IV renal tubular acidosis), eg, diabetic nephropathy, heparin, AIDS; adrenal insufficiency – Drugs that inhibit K+ excretion (spironolactone, triamterene, eplerenone, ACE inhibitors, trimethoprim, nonsteroidal anti-inflammatory drugs) |
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