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Low potassium is a common but critical issue. Here’s a quick, practical guide to potassium repletion based on severity.
➡️ Mild Hypokalemia (K+ 3.0 - 3.5 mEq/L):
Treatment: Oral Potassium Chloride (KCl) supplements.
Why: Safest route for non-urgent correction.
➡️ Moderate/Severe Hypokalemia (K+ 3.0 mEq/L):
Treatment: Intravenous (IV) KCl infusion.
Why: For faster, more controlled correction in symptomatic or severely low patients.
🚨 IV KCL - Critical Safety Rules:
Rate: Infuse slowly at 10-20 mEq/hour. Faster rates risk fatal arrhythmias.
Concentration: Do not exceed 40 mEq/L in a peripheral line to prevent phlebitis.
Monitoring: The patient MUST be on a cardiac monitor throughout the infusion.
💡 Pro-Tip: Never give potassium as a rapid IV push! And always check renal function before starting repletion.
Now, let's test your knowledge! 👇
What is considered the EARLIEST ECG finding in hypokalemia? Share your answer in the comments!
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