Hyperkalemia differential diagnosis: Difference between revisions
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==Differential Diagnosis== | ==Differential Diagnosis== | ||
Hyperkalemia is a laboratory finding that is a result of several conditions. These conditions must be differentiated as a cause of hyperkalemia. The following table summarize the differentiating features of causes of hyperkalemia. | Hyperkalemia is a laboratory finding that is a result of several conditions. These conditions must be differentiated as a cause of hyperkalemia. The following table summarize the differentiating features of causes of hyperkalemia. | ||
{| class="wikitable" | |||
! rowspan="2" |Organ system | |||
! rowspan="2" |Conditions | |||
! colspan="3" |Distinguishing features | |||
! rowspan="2" |Additional findings | |||
|- | |||
!Symptoms | |||
!Signs | |||
!Labs | |||
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| rowspan="4" |Renal | |||
|Acute kidney injury | |||
|Nausea, vomiting, decreased urine output, fatigue, dyspnea, edema | |||
|Tremor, confusion, edema | |||
|Hyperkalemia, increased BUN and Cr, metabolic acidosis | |||
|Recently developed symptoms | |||
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|Chronic kidney injury | |||
|Nausea, vomiting, decreased urine output, fatigue, dyspnea, edema | |||
|Tremor, confusion, edema | |||
|Hyperkalemia, increased BUN and Cr, metabolic acidosis, hypocalcemia, hyperphosphatemia | |||
|Chronic underlying disease (DM, HTN), duration of symptoms ≥ 3 months | |||
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|Renal tubular acidosis type-4 | |||
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|Metabolic acidosis | |||
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==References== | ==References== | ||
Revision as of 17:18, 30 May 2017
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Resident Survival Guide |
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Hyperkalemia Microchapters |
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Diagnosis |
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Treatment |
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Case Studies |
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Hyperkalemia differential diagnosis On the Web |
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American Roentgen Ray Society Images of Hyperkalemia differential diagnosis |
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Risk calculators and risk factors for Hyperkalemia differential diagnosis |
Overview
Differential Diagnosis
Hyperkalemia is a laboratory finding that is a result of several conditions. These conditions must be differentiated as a cause of hyperkalemia. The following table summarize the differentiating features of causes of hyperkalemia.
| Organ system | Conditions | Distinguishing features | Additional findings | ||
|---|---|---|---|---|---|
| Symptoms | Signs | Labs | |||
| Renal | Acute kidney injury | Nausea, vomiting, decreased urine output, fatigue, dyspnea, edema | Tremor, confusion, edema | Hyperkalemia, increased BUN and Cr, metabolic acidosis | Recently developed symptoms |
| Chronic kidney injury | Nausea, vomiting, decreased urine output, fatigue, dyspnea, edema | Tremor, confusion, edema | Hyperkalemia, increased BUN and Cr, metabolic acidosis, hypocalcemia, hyperphosphatemia | Chronic underlying disease (DM, HTN), duration of symptoms ≥ 3 months | |
| Renal tubular acidosis type-4 | |||||
| Metabolic acidosis | |||||