# Labs show severe ______ with potassium of 6.8 mEq/L.

> source: MyMerci (mymerci.kr)  
> url: https://mymerci.kr/pages/nclex_q.php?qn_id=168370  
> language: ko  
> subject: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

## 문제

Labs show severe ______ with potassium of 6.8 mEq/L.

House MD Season 3 Episode 19

## 보기

1. hyperkalemia **✔ 정답**
2. hypokalemia
3. hypernatremia
4. hyponatremia
5. hypercalcemia

**정답: 1**

## 해설

Hyperkalemia' at this level is life-threatening and requires immediate treatment to prevent cardiac arrhythmias.

## 임상 시나리오

Hyperkalemia:
- Normal K+ range: 3.5-5.0 mEq/L
- Causes: renal failure, medications (ACE inhibitors, K-sparing diuretics), tissue breakdown
- Symptoms: muscle weakness, cardiac arrhythmias, ECG changes (peaked T waves, widened QRS)
- Treatment: calcium gluconate, insulin with glucose, beta-agonists, sodium bicarbonate
- Emergency intervention needed for K+ > 6.5 mEq/L
- ECG monitoring essential
- Dialysis may be required in severe cases
- Common medications to avoid: NSAIDs, potassium supplements
- Risk factors: diabetes, heart failure, adrenal insufficiency
- Regular monitoring of serum potassium in high-risk patients

## 핵심 개념

- **hyperkalemia** — A condition characterized by abnormally high levels of potassium in the blood, typically above 5.5 mEq/L
- **hypokalemia** — A condition characterized by abnormally low levels of potassium in the blood, typically below 3.5 mEq/L
- **hypernatremia** — A condition characterized by abnormally high levels of sodium in the blood, typically above 145 mEq/L
- **hyponatremia** — A condition characterized by abnormally low levels of sodium in the blood, typically below 135 mEq/L
- **hypercalcemia** — A condition characterized by abnormally high levels of calcium in the blood, typically above 10.5 mg/dL

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