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💉 IV Cannula Sizes Made Easy!

Do you know which IV cannula size should be used in which patient?
Here’s a simple guide to remember the universal colour coding of intracaths used worldwide. 🌍

🟡 24G (Yellow)
Used in neonates and infants.
Very small size with low flow rate (~20 ml/min).

🔵 22G (Blue)
Best for elderly patients with fragile veins or small children.

🩷 20G (Pink)
The most commonly used cannula.
Perfect for routine admissions, IV medications, fluids, and even blood transfusion if needed.

🟢 18G (Green)
Used for CT contrast, rapid blood transfusion, surgery, or shock patients requiring fast fluid delivery.

⚪ 16G (Grey)
Ideal for trauma, emergency situations, and major surgeries where large-volume fluid resuscitation may be required.

🟠 14G (Orange)
Largest commonly used cannula.
Used in massive fluid shifts, major trauma, or critical emergencies requiring rapid infusion of liters of fluid.

Remembering these colours and sizes can make emergency management much easier in clinical practice. 🚑

Save this post for revision and share it with your medical friends! 👨‍⚕️👩‍⚕️

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Causes of Fever in Child

Not every fever in children is dengue, malaria, or typhoid. 👶🌡️

Whenever a child presents with fever for less than 7 days, common infections like dengue, malaria, typhoid, and acute viral illnesses should always be considered. But the real clinical skill lies in identifying the localized signs that guide you toward the correct diagnosis.

✅ Ear pain + irritability → Think Acute Otitis Media
✅ Persistent nasal discharge → Think Sinusitis
✅ Fever + sore throat → Think Tonsillopharyngitis
✅ Crying while passing urine → Think Urinary Tract Infection (UTI)

And once all common causes are ruled out, never forget to consider serious conditions like bacteremia or septicemia.

Clinical diagnosis is not just about tests — it starts with careful observation and history taking. 🩺

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Cannula Caution

Before inserting an IV cannula, always take a quick patient history. A simple question can prevent serious complications for the patient — and serious consequences for the healthcare professional.

Never insert an IV cannula on:
❌ Post-mastectomy / breast surgery side
❌ AV fistula arm
❌ Hemiplegic or weak side
❌ Lymphedema or cellulitis affected limb
❌ Lower limbs in adults
❌ Scarred, burned, bruised, or tattooed skin

Safe cannulation is not just a skill — it’s patient safety. Always assess before you insert.

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Inter Febrile Period
🩺 Fever for more than 7 days in a child? One history question can completely change your clinical direction.

In this reel, we discuss a simple but powerful bedside clue:
👉 “How is the child during the inter-febrile period?”

✔️ Child completely normal between fever spikes → think immune-mediated causes like JIA
✔️ Child still sick between fevers → think infection or malignancy

Also learn how CBC extremes can help raise suspicion for malignancy early.
A practical clinical pearl every doctor should remember. Save this reel for OPD practice and share it with your colleagues.

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Cold water = Cough & Cold ?

Sometimes, our mothers were scientifically right… even before science explained it. 🤍
As kids, we were always told:
“Don’t drink cold water.”
“Don’t sit in front of the cooler.”
“You’ll catch a cold.”

Then in medical school, we learned:
❌ Cold weather doesn’t directly cause infections.
✅ Viruses and bacteria do.

But later, deeper understanding changed the perspective.

Cold exposure can slow down mucociliary clearance — the natural defense system that helps remove germs from your airway. It can also cause vasoconstriction, reducing timely delivery of immune cells and antibodies where they’re needed most.

So cold itself may not create the infection…
But it can make the body more vulnerable to it.

Pathology was right.
But maybe… maa wasn’t wrong either. ❤️

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