Field notes

Lessons from the bedside.

Short, evidence-based reads for nursing students, new grads and anyone who starts IVs. Technique, complications, patient comfort, history, and the mindset that gets you through the shift.

Latest · History

1832: The Scottish Doctor Who Invented IV Fluids (and Why Medicine Ignored Him)

A cholera epidemic, a dying patient, and six pints of salt water. The strange origin story of the IV bag on your unit.

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The Dichotomy of Control: A Stoic Tool for Short-Staffed Shifts

You can't fix the staffing grid tonight. Epictetus had a two-minute exercise for exactly that.

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We All Have Our DIVA Moments: Recognize Them Before You Stick

How the A-DIVA scale turns IV instinct into a structured assessment, and why knowing when to escalate is a skill.

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Needle Fear Is Common. Here's How to Calm Patients Before the Stick

Up to a third of young adults fear needles. A few evidence-based moves make the stick easier for everyone.

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Ultrasound-Guided Peripheral IVs: A Beginner's Guide for Nurses

What ultrasound adds, how the basic technique works, and how to build the skill safely.

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Scrub the Hub: Why Disinfecting Needleless Connectors Deserves More Attention

A flawless insertion means little if the connector hub carries bacteria straight into the bloodstream.

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How to Make Veins Pop for an IV: What the Evidence Actually Says

Warm packs, gravity, tourniquets, slapping and fist pumping. Which tricks actually work, and which ones backfire?

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Mastering the AccuVein Vein Finder: Tips & Tricks for Better IV Access

Positioning, light modes, depth limits and the assessment tricks most nurses never use.

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The Tourniquet Lesson: Why You Shouldn't Skip It, Even in an Emergency IV

A prominent hand vein, a hypotensive patient, and two missed sticks. What happens when you skip the basics to save two seconds.

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How Often Should a Peripheral IV Be Replaced? What the Evidence Says

The old 72-hour rule is fading. Here's what replaced it, and what it asks of you at the bedside.

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Phlebitis and the VIP Score: Mechanical, Chemical, and Bacterial Causes

A red, tender vein isn't just an annoyance. Grading it and knowing the cause tells you what to do.

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IV Infiltration vs. Extravasation: How to Spot It, Grade It, and What to Do Next

They look alike at the bedside, but the drug decides how much damage is done.

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IV Catheter Gauge Chart: Sizes, Colors, Flow Rates, and When to Use Each

Smaller number, bigger catheter. Here's how to pick the right gauge without overthinking it.

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Your First 100 IVs: A Practice Plan for Nursing Students and New Grads

Getting good at IVs isn't talent. It's a plan, a log, and the right kind of practice.

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