“This will hurt a little, but you really do need it!” Do the Romans really call IVs 4’s?...
Transcript of “This will hurt a little, but you really do need it!” Do the Romans really call IVs 4’s?...
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““This will hurt a little, This will hurt a little, but you really do need but you really do need
it!”it!”Do the Romans really call IVs Do the Romans really call IVs
4’s?4’s?
Quick, call IXII!Quick, call IXII!
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Intravenous Fluid TherapyIntravenous Fluid Therapy
Purposes:Purposes:Administration of DrugsAdministration of Drugs
Replacement of FluidReplacement of Fluid
Obtaining specimensObtaining specimens
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Intravenous SolutionsIntravenous Solutions
ColloidsColloidsCrystalloidsCrystalloidsBlood productsBlood products
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ColloidsColloids
Large proteinLarge protein–Albumin (meat) & OthersAlbumin (meat) & Others
$$$$$$$$ Difficult to storeDifficult to store Never used as first solutionNever used as first solution used seldom in prehospital used seldom in prehospital
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ColloidsColloids
Colloid Osmotic PressureColloid Osmotic Pressure– Will stay in vessels long timeWill stay in vessels long time– Attract Water from:Attract Water from:
Interstitial SpacesInterstitial Spaces Intracellular CompartmentsIntracellular Compartments
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ColloidsColloids
Plasma Protein FractionPlasma Protein Fraction–PlasmanatePlasmanate
Salt – Poor AlbuminSalt – Poor Albumin–18ml H18ml H22O / 1 gm AlbuminO / 1 gm Albumin
DextranDextran Hetastarch (Hespan)Hetastarch (Hespan)
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CrystalloidsCrystalloids
Commonly used in EMSCommonly used in EMS
Contain electrolytesContain electrolytes– IV GatoradeIV Gatorade
Crosses Crosses capillary membranescapillary membranes
No proteinNo protein–Won’t Draw HWon’t Draw H22OO
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CrystalloidsCrystalloids
Need 2-3 times the volume Need 2-3 times the volume lostlost
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TonicityTonicity
Solutions’ electrolyteSolutions’ electrolytebalance compared to plasmabalance compared to plasma
HH22O goes to salt & soluteO goes to salt & solute–Isotonic – No movement initiallyIsotonic – No movement initially–Hypertonic – Attracts HHypertonic – Attracts H22O initiallyO initially–Hypotonic – Repels HHypotonic – Repels H22O initiallyO initially
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TonicityTonicity
Measured in mOsm/LMeasured in mOsm/L– Osmolarity per LiterOsmolarity per Liter– Isotonic Range 280-310Isotonic Range 280-310
Hypertonic IV = Vein DamageHypertonic IV = Vein Damage Hypotonic = HemolysisHypotonic = Hemolysis
Ruptures RBC’s Ruptures RBC’s
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Balanced salt Balanced salt solutionssolutions
–0.9% Sodium Chloride0.9% Sodium Chloride
–Lactated RingersLactated Ringers
–D5WD5W
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IsotonicIsotonic
Isotonic NaIsotonic Na+ + & Electrolytes & Electrolytes similar to plasmasimilar to plasma–Won’t comparatively overfill:Won’t comparatively overfill:
CellsCellsTissueTissueVesselsVessels
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IsotonicIsotonic
0.9% Sodium Chloride0.9% Sodium Chloride Normal Saline SolutionNormal Saline Solution
– Good enough to drink, but PH balanced for Good enough to drink, but PH balanced for patient IV’spatient IV’s
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HypertonicHypertonic More solutesMore solutes Initial HInitial H22O shift from intracellular – outO shift from intracellular – out
Tide goes out, refills & goes inTide goes out, refills & goes in– D5W in Lactated RingersD5W in Lactated Ringers
– 10% Dextrose10% Dextrose
– Not in EMS TodayNot in EMS Today
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HypotonicHypotonic
Fewer solutes than cellsFewer solutes than cells Water will shift from extracellular – Water will shift from extracellular –
inin–A never ending attempt at balanceA never ending attempt at balance
0.45% NaCl0.45% NaCl0.225% NaCl0.225% NaClNot in EMS today eitherNot in EMS today either
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Isotonic crystalloidIsotonic crystalloid
EMT – (P)’s first choiceEMT – (P)’s first choiceNormal Saline 0.9%Normal Saline 0.9%Lactated RingersLactated Ringers
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Administration SetsAdministration Sets
Microdrip (60 drops per ml)Microdrip (60 drops per ml)Macrodrip (10 drops per ml)Macrodrip (10 drops per ml)
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Administration SetsAdministration Sets
Others (10, 12, 15, 20 Others (10, 12, 15, 20 drops/ml)drops/ml)
Soluset (pediatric set)Soluset (pediatric set)–Bur…trol’sBur…trol’s
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MicrodripMicrodrip
usually for secondary IVusually for secondary IVused for IV mixed used for IV mixed
medicationsmedications
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MicrodripMicrodrip
–Lidocaine dripLidocaine drip
–Bretylium dripBretylium drip
–Dopamine,Dopamine,
–Epinephrine dripEpinephrine dripAll coming soonAll coming soon
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Macrodrip or regular setMacrodrip or regular set
Initial / primary IVInitial / primary IVRuns fluid fasterRuns fluid faster
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Macro or MicroMacro or MicroThey all haveThey all have
–SpikeSpike–Drip ChamberDrip Chamber–Semi-porous tubingSemi-porous tubing–Re-usable drug injection portsRe-usable drug injection ports–A standard sized endA standard sized end
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CannulasCannulas
Hollow needlesHollow needles–ButterflyButterfly
AngiocathAngiocath–Catheter over the needleCatheter over the needle
IntracathIntracath–Needle over the catheterNeedle over the catheter
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AngiocathAngiocath
Typical prehospital deviceTypical prehospital deviceLittle number = Big NeedleLittle number = Big Needle14, 16, 18, 20, 22 gauge14, 16, 18, 20, 22 gauge
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Venous AccessVenous Access
PeripheralPeripheralCentralCentral
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PeripheralPeripheral
You can see it or touch itYou can see it or touch it–Dorsal HandDorsal Hand–ForearmForearm–Antecubital fossaAntecubital fossa–BrachialBrachial–CephalicCephalic–SaphenousSaphenous–External jugularExternal jugular
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CentralCentral
Femoral is allowed in Femoral is allowed in OregonOregon–Accomplished by landmarksAccomplished by landmarks
–In scope, not in all systemsIn scope, not in all systems
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CentralCentral
Internal jugular (MD only)Internal jugular (MD only)Subclavian (MD only)Subclavian (MD only)
–Will assist in clinical settingWill assist in clinical setting
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Complications of IV TherapyComplications of IV Therapy
Pain (I told ya it would hurt!)Pain (I told ya it would hurt!)ExtravasationExtravasation
–Went through the veinWent through the veinHematoma & InfiltrationHematoma & Infiltration
–1 needle & 2 or more holes1 needle & 2 or more holes
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Complications of IV TherapyComplications of IV Therapy
Local infectionLocal infection–Didn’t clean firstDidn’t clean first
Pyrogenic reactionPyrogenic reaction–Systemic reaction (Fever)Systemic reaction (Fever)
Catheter shearCatheter shear–Replacing needle within catheterReplacing needle within catheter
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Complications of IV’sComplications of IV’s
Arterial punctureArterial puncture– OopsOops
Circulatory overloadCirculatory overload– Gotta watch the flow rateGotta watch the flow rate– Thus the buritrolThus the buritrol
ThrombophlebitisThrombophlebitis– Irritation – Clot – TravelerIrritation – Clot – Traveler– D/C , warm compressD/C , warm compress– Look elsewhereLook elsewhere
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Complications of IV’sComplications of IV’s
Air embolismAir embolism–Flush the tubingFlush the tubing
–BIG BubblesBIG Bubbles
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Flow ratesFlow rates
TKO (to keep open)TKO (to keep open)KVO ( keep vein open)KVO ( keep vein open)WFO (wide full open)WFO (wide full open)
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Flow ratesFlow rates
drops per minute =drops per minute =volume in mls x drops/ml of the set volume in mls x drops/ml of the set
divided by the time in minutesdivided by the time in minutes
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Flow rates (application)Flow rates (application)
Lidocaine drip @ 2 mg / minute ordered / neededLidocaine drip @ 2 mg / minute ordered / needed
1 gram (1000 mg’s) in 250 ml’s D5W1 gram (1000 mg’s) in 250 ml’s D5W– 4 mg:1ml concentration4 mg:1ml concentration
60 gtts = 1ml infusion set60 gtts = 1ml infusion set 2 mg/minute = 30 gtts/minute2 mg/minute = 30 gtts/minute
2 mg / minute = 1 gtt q 2 seconds2 mg / minute = 1 gtt q 2 seconds
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Procedure demonstratedProcedure demonstrated
Maybe not today?!?!?!?!?Maybe not today?!?!?!?!?
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Lets talk about good Lets talk about good techniquetechnique
Aseptic techniqueAseptic technique– What can I touch?What can I touch?– What can’t I touch?What can’t I touch?– How come?How come?
Sterile vs CleanSterile vs Clean
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Review questionsReview questions
Name the three reasons for Name the three reasons for initiating an IV in the field.initiating an IV in the field.
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Review questionsReview questions
What is the generic name for What is the generic name for The type of IV solutions used The type of IV solutions used in the field?in the field?
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Review questionsReview questions
Which solutions have the Which solutions have the large protein molecules?large protein molecules?
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Review questionsReview questions
Too much hypotonic solution Too much hypotonic solution might cause ________ of the might cause ________ of the cells.cells.
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Review questionsReview questions
Too much hypertonic Too much hypertonic solution might cause solution might cause ________________
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Review questionsReview questions
How many drops per ml How many drops per ml does the typical microdrip does the typical microdrip tubing set have?tubing set have?
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Review questionsReview questions
What is the formula for What is the formula for figuring the drip rate?figuring the drip rate?
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Review questionsReview questions
What size catheter is What size catheter is considered “large bore”?considered “large bore”?
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Review questionsReview questions
List five complications of IV List five complications of IV therapy.therapy.
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Review questionsReview questions
List the three central veins.List the three central veins.Which central vein may the Which central vein may the
EMT access?EMT access?