Hyperkalemia
All the following drugs may cause hyperkalemia except-
| A |
Cyclosporine |
|
| B |
Amphotericin B |
|
| C |
Heparin |
|
| D |
NSAIDs |
All the following drugs may cause hyperkalemia except-
| A |
Cyclosporine |
|
| B |
Amphotericin B |
|
| C |
Heparin |
|
| D |
NSAIDs |
Ans. is ‘b’ Amphotericin B
Important drugs causing hvperkalemia
o ACE inhibitors o Trimethoprim o Succinylcholine o K+ sparing diuretic o Heparin
o NSAIDS o Pentamidine o Lithium. o Cyclosporine
All of the following may occur due to hyperkalemia, except :
| A |
Prolonged PR interval |
|
| B |
Prolonged QRS interval |
|
| C |
Prolonged QT interval |
|
| D |
Prolonged QT interval |
All of the following may occur due to hyperkalemia, except :
| A |
Prolonged PR interval |
|
| B |
Prolonged QRS interval |
|
| C |
Prolonged QT interval |
|
| D |
Prolonged QT interval |
Answer is C (Prolonged QT interval)
Prolonged QT interval is not a manifestation of hyperkalemia. Prolonged PR interval, prolonged QRS duration and ventricular asystole are all known manifestations of hyperkalemia. Prolonged QT interval is a manifestation of Hypocalcemia.
The ECG in hyperkalemia classically shows:
September 2009, 2010
| A |
Increase QRS duration |
|
| B |
Shortened PR interval |
|
| C |
Prominent U waves |
|
| D |
Increased R wave amplitude |
The ECG in hyperkalemia classically shows:
September 2009, 2010
| A |
Increase QRS duration |
|
| B |
Shortened PR interval |
|
| C |
Prominent U waves |
|
| D |
Increased R wave amplitude |
Ans. A: Increase QRS duration
Hyperkalemia is caused by ‑
| A |
Amphotiricin B |
|
| B |
Beta agonists |
|
| C |
Gentamycin |
|
| D |
Succinylcholine |
Hyperkalemia is caused by ‑
| A |
Amphotiricin B |
|
| B |
Beta agonists |
|
| C |
Gentamycin |
|
| D |
Succinylcholine |
Ans. is ‘d’ i.e., Succinylcholine
Drugs causing hypokalemia
- β agonist
- Licorice
- Penicillin derivatives
- Amphotericin B
- Theophylline
- Steroids
- α Blockers
- Toluene abuse
- Gentamicin
- Insulin
- Vitamin B12
- Diuretics
- Carbenoxalone
Important drugs causing hyperkalemia
- ACE inhibitors
- Trimethoprim
- Succinylcholine
- K+ sparing diuretic
- Hep.
- NSAIDS
- Pentamidine
- Lithium.
- Cyclosporine




