Electrolyte Disorders: Difference between revisions

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==Hypercalcemia==
Hypercalcemia, high blood calcium, speeds repolarization. Characteristics of hypercalcemia:
*Mild: broad based tall peaking T waves
*Severe: extremely wide QRS, low R wave, disappearance of p waves, tall peaking T waves.
==Hypocalcemia==
ECG-characteristics of hypocalcemia, low blood calcium:
*Narrowing of the QRS complex
*Reduced PR interval
*T wave flattening and inversion
*Prolongation of the QT-interval
*Prominent U-wave
*Prolonged ST and ST-depression
==Hyperkalemia==
==Hyperkalemia==
ECG characteristics of hyperkalemia, high blood potassium:
ECG characteristics of hyperkalemia, high blood potassium:
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==Hypercalcemia==
Hypercalcemia, high blood calcium, speeds repolarization. Characteristics of hypercalcemia:
*Mild: broad based tall peaking T waves
*Severe: extremely wide QRS, low R wave, disappearance of p waves, tall peaking T waves.
[[File:E000546.jpg|thumb|A patient with severe hypercalcemia: Calcium 4.6 mmol/L, albumin 37 g/L]]
==Hypocalcemia==
ECG-characteristics of hypocalcemia, low blood calcium:
*Narrowing of the QRS complex
*Reduced PR interval
*T wave flattening and inversion
*Prolongation of the QT-interval
*Prominent U-wave
*Prolonged ST and ST-depression

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