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Needle Size and Use
Purpose of Needles/Dressings
| Question | Answer |
|---|---|
| 🔴 14–16 gauge (LARGE BORE) Color: Orange (14g), Gray (16g) Use: | Major trauma GI bleed Shock Rapid blood transfusions Emergency resuscitation 🧠 Memory: Big bleed = big needle |
| 🟢 18 gauge Color: Green Use: | Blood transfusions Surgery Trauma CT contrast 🧠 NCLEX favorite: Blood → 18g or larger |
| 🟣 20 gauge Color: Pink Use: | Routine IV fluids IV medications Maintenance fluids 🧠 Most commonly used |
| 🔵 22 gauge Color: Blue Use: | Elderly patients Fragile veins Slow IV meds 🚫 Not ideal for blood |
| 🟡 24 gauge Color: Yellow Use: | Pediatrics Very fragile veins 🚫 Too small for rapid fluids or blood |
| 🧠 EXAM PEARLS | Lower number = larger needle Blood & trauma = 18g or larger GI bleed/shock = 2 large-bore IVs Small gauge = slower flow |
| Blood Transfusion Safety — Nursing Priorities 🔴 BEFORE TRANSFUSION | Verify provider order:Consent signed Type & crossmatch completed 2-person verification:Patient name & DOB Blood type & Rh:Unit number & expiration Baseline VS:Patent IV (18–20g preferred) Normal saline ONLY:🧠 NCLEX pearl:No dextrose. No LR. ONLY NS. |
| 🧪 COMMON TYPES OF REACTIONS | Febrile – fever, chills Allergic – itching, hives Hemolytic (MOST DANGEROUS) – back pain, hypotension Circulatory overload (TACO) – crackles, dyspnea |
| ⚠️ HIGH-RISK PATIENTS | Older adults Heart failure Renal disease Rapid infusion 🧠 Slow rate for high-risk patients |
| 🧠 NCLEX PRIORITY RULES | Reaction suspected? STOP FIRST Never flush blood with meds Blood tubing has filter One unit at a time |
| 🧼 Gauze / Wet-to-Dry Use for: | Mechanical debridement Infected or necrotic wounds 🚫 Not for clean wounds 🧠 Removes dead tissue when removed |
| 💧 Hydrocolloid Use for: | Low–moderate drainage Pressure injuries (Stage 1–2) ✔ Promotes moist healing 🚫 Not for infected wounds 🧠 Looks like a thick patch |
| ☁️ Foam Use for: | Moderate–heavy drainage Pressure injuries ✔ Absorbs exudate ✔ Cushions woun |
| 🌊 Alginate Use for: | Heavy drainage Bleeding wounds ✔ Made from seaweed ✔ Absorbs large amounts of fluid 🧠 Heavy drainage = alginate |
| 🧴 Transparent (Film) Use for: | IV sites Superficial wounds ✔ Allows visualization 🚫 No absorption |
| 🧪 Antimicrobial (Silver/Iodine) Use for: | Infected wounds High infection risk ✔ Reduces bacterial load 🚫 Not for long-term use unless ordered |
| 🧠 NCLEX PEARLS | Dry wound → add moisture Wet wound → absorb Infected wound → antimicrobial Heavy drainage → alginate or foam Clean wound → moist healing |
| 🩸 DURING TRANSFUSION | Start slow (first 15 minutes) Stay with patient for first 15 min Monitor VS: Before 15 min Then per policy Infuse within 4 hours 🧠 Most reactions occur in first 15 minutes |
| 🚨 SIGNS OF TRANSFUSION REACTION | Fever, chills Back or chest pain Dyspnea Hypotension Rash, itching Anxiety, flushing Dark urine 🚩 ANY reaction = STOP transfusion |
| 🛑 IF A REACTION OCCURS (TEST FAVORITE) | 1️⃣ STOP transfusion immediately 2️⃣ Keep IV open with normal saline 3️⃣ Assess VS 4️⃣ Notify provider & blood bank 5️⃣ Return blood tubing/bag 6️⃣ Document reaction 🧠 Memory: STOP → NS → CALL |
| 🧠 NCLEX PRIORITY RULES | Reaction suspected? STOP FIRST Never flush blood with meds Blood tubing has filter One unit at a time |
| Which type of healing occurs when granulation tissue is not visible and scar formation is minimal? | First Intention |