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Pain Management in EMS and Trauma

Pain Management in EMS and Trauma

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Pain Management in EMS and Trauma

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  1. Pain Management in EMS and Trauma 2nd Trimester June 2013 CME By Silver Cross EMS Staff

  2. Agenda • System announcements • Pain management in trauma • Managing patients with chronic pain • ALS strip o’ the month - Tachycardia • BLS skill o’ the month – Tourniquets

  3. Pain and EMS • Whether our patients are suffering from a traumatic, medical or psychological condition, a common thread throughout many of our calls is pain. • Definition from the International Association for the Study of Pain: “Pain is an unpleasant sensory and emotional experience associated with actual or potential tissue damage…”

  4. Pain Serves a Purpose • It tells us something is wrong with our body that we can’t see otherwise • Appendicitis • Internal bleeding • It helps us avoid dangerous things • We touch a hot stove, we feel pain, we pull away • It helps us protect damaged body parts • We shield injuries from accidental contact with other people or things

  5. What Causes Pain? • Pain signals are sent to our brain by nociceptors (no-si-sep-tors) • A nociceptor responds to damaging stimuli (heat, pressure, etc.) by sending nerve signals to the spinal cord and brain. • This process, called nociception (no-si-sep-shun), is what causes the feeling of pain.

  6. The Pain Pathway (tutorvista.com)

  7. Classifications of Pain (from Mosby’s Paramedic textbook) • Acute – sudden in onset, subsides with treatment • Chronic – persistent or recurrent, hard to treat • Referred – pain felt somewhere other than its origin • Heart attack felt in arm • Spleen rupture felt in shoulder • Gall bladder felt in shoulder blade

  8. Classifications of Pain (from Mosby’s Paramedic textbook) • Somatic – pain in muscles, ligaments, vessels, joints • Superficial – pain in skin, mucous membranes • Visceral – “deep” pain, hard to localize, arises from smooth muscles or organ systems

  9. Some other kinds of pain • Neuropathic – caused by damage or disease to the nervous system • Tingling, burning, electrical “zapping” • “Pins and needles” • Bumping the “funny bone” • Psychogenic – caused by mental, emotional, or behavioral factors • No less hurtful than pain from other sources • Not “all in their head”

  10. Phantom Pain • Phantom – felt after limb is amputated • Nerve endings to stump become “confused” • Signal pain to the brain even though the limb is no longer there.

  11. Inability to Feel Pain • Some people can’t feel pain like they should • Diabetic neuropathy • Spinal cord injury • Congenital disorders • More prone to injury due to lack of “warning” • May be shorter life span due to increased injury risk

  12. Pain Tolerance • Several studies over the years have shown women typically display lower pain tolerance than men. • Unknown whether reason is hormonal, genetic or psychosocial. • Researchers suggest men more tolerant of pain because of “macho” stereotyping, while feminine stereotyping encourages pain expression.

  13. Pain Tolerance • On the other hand, the show “Mythbusters” found a few years ago that women are more tolerant of pain than men, so stereotypical responses may be changing over time.

  14. The Bad Side of Pain • While pain serves an important purpose, it also presents a barrier to normal functioning • Pain negatively affects: • Attention • Memory • Mental flexibility • Problem solving • Information processing speed • Stress levels

  15. Pain Management • Because pain has as many bad aspects as good, our goal in EMS is to control pain whenever possible. • Joint Commission (JCAHO) says pain is 5th vital sign after BP, pulse, respiratory, and temp. • The goal – ZERO PAIN!

  16. Why Zero Pain? • Cardiac chest pain – zero pain means less stress on the patient, lowering pulse and BP, leading to less work for the heart • Musculo-skeletal pain – zero pain means your patient is more cooperative, less disruptive and better able to follow directions

  17. When is zero pain not the goal? • There are a few times in EMS when we may want to think twice before treating pain • Headache – pain medication can mask symptoms of more serious head injury • Abdominal pain – pain location used for diagnosis • When in doubt, call medical control • Drug-seeking patient – trust your instincts • If you suspect a drug-seeker, let medical control know your suspicions (out of earshot of patient)

  18. EMS and Pain • Prehospital Emergency Care, Jul-Sep 2010… pain in prehospital emergency medicine affects 42% of patients…. Pain management is inadequate, as only one in two patients experiences relief.” • American Journal of Emergency Medicine, Oct 2007… “women are less likely than men to receive prehospital analgesia for isolated extremity injuries… Increasing levels of income were associated with increased rates of analgesia.”

  19. Why are we not treating pain adequately? • Biases and prejudices? • Poor patients, patients we think are faking it, patients who are “whiners” • Fear of medication administration? • Giving narcotics is a big responsibility, especially if we are not comfortable with our skills and math ability

  20. Why are we not treating pain adequately? • Our own emotional reaction to someone in pain? • Our anxiety can cloud our judgment regarding treatment • A screaming patient makes even the best medic second-guess • Past issues with medical control regarding medication administration? • In the old days, paramedics often got hassled for attempting ALS pain management. Sometimes, they still do.

  21. Assessing Pain • The most basic way to characterize pain is the 1-10 scale. • All reports/narratives with patients in pain should include a 1-10 rating both before, and after, treatment • 1 = no pain • 10= worst pain ever felt

  22. Assessing Pain • For children and others with difficulties understanding the 1-10 scale, you can use the Wong-Baker scale • Also called the “smiley face” scale • They point to the picture that best describes their pain.

  23. Wong-Baker Scale

  24. Assessing Pain - OPQRST • All narratives for pain and injury should include some form of OPQRST • O – Onset (when did pain start) • P – Palliation/Provocation (what makes it better or worse) • Q – Quality (what does it feel like) • R – Radiation (does it move anywhere) • S – Severity (1-10 scale) • T – Time (can be combined with O, or can refer to whether it comes and goes or is steady)

  25. OPQRST • You don’t have to specifically reference each letter in your report. • Like any mnemonic, it’s meant to help you remember important assessment questions, not to be used word-for-word. • But if the information is relevant, it needs to be included.

  26. Assessing Pain • What does patient look like? • Obvious distress? • Guarding injured limb? • Yelling? • Calm and controlled? • Tense?

  27. Assessing Pain • Remember DCAP-BTLS? • All painful or injured body parts need to be exposed and examined. • And all examinations need to be documented. • Exception – obvious cardiac chest pain, but if you are exposing the chest to put on EKG electrodes, you might as well examine and document anyway.

  28. Assessing Pain – Head-to-Toe • Depending on the mechanism of injury or the nature of the illness, a head-to-toe exam may be called for too. • Document all head-to-toe exams. If it’s not written down, it wasn’t done. • Don’t let severe pain from one part of the body distract you from injuries on other parts of the body.

  29. Assessing Pain - Peds • Sometime starting at the toes and working up to the head works better with kids. • May be less likely to freak out. • Kids are the masters of distracting injuries. • They don’t understand why a bloody finger is less important than a deformed leg. • Take extra care in examining a child in pain

  30. Pain pharmacology/treatment • Pain medications/treatments address two components of pain: • The actual sensation of pain • The emotional response to pain • We carry medications and treatments on the ambulance that address both components • Don’t forget BLS treatments… often just as effective as ALS medications, and easier too.

  31. Cold Packs • Cold packs often a forgotten element of pain management. • Reduces swelling and pain in strains, sprains and fractures. • When possible, do not put directly on injured area. • Can cause tissue damage/frostbite • Wrap in pillow case or gauze first

  32. Splinting • Splinting used to stabilize damaged bone ends, or injured muscles/ligaments. • But also useful in reducing pain caused by movement of injured areas. • Whether a commercial splint, or a pillow and tape… a splint is powerful weapon against pain. • Traction splints significantly reduce pain of femur fracture by easing muscular contraction • Check distal pulses, movement and feeling (“MSC”, “CMS”, “PMS”) before/after splinting.

  33. Opiates • Bind with opiod receptors in the brain • Alters perception of pain • Alters emotional response to painful stimulus Drugandalcoholrehab.net

  34. Morphine • Commonly carried by EMS • Chief alkaloid of opium • Carried by prehospital crews because • It’s cheap • It’s been around a long time • It works without too much fuss • It’s easy to treat if we give too much of it (Narcan)

  35. Morphine side-effects • Respiratory depression • Nausea/vomiting • Constipation • CNS depression • Careful administration can prevent many of these side-effects

  36. Morphine Dosage in Trauma • Traumatic injury/burn/amputation/frostbite • 5-10mg slow IVP in 5mg increments as necessary for pain • Exception is crush injury – 2mg increments IV/IM as needed for pain • Permission from medical control not necessary, but call with questions or concerns • Call first if patient has respiratory depression, bradycardia or is hypotensive

  37. Morphine and Kids • Kids deserve ZERO PAIN pain too! • Pediatric morphine dose for fractures or burns: • 0.1mg/kg (max of 5mg per dose) • Or use length-based pediatric tape (Broslow) • Newborns and young babies don’t get morphine • Call Medical Control before giving morphine to kids

  38. Again…. • CALL MEDICAL CONTROL BEFORE GIVING OPIATES TO KIDS!!!

  39. Morphine and Allergies • Don’t give if allergic to morphine or other opiates/opiods. • Be aware: morphine can cause a small histamine release in patients not normally allergic to it • Flushed skin • Itchy nose/skin • Allergy to sulfa drugs not a contra-indication to Morphine Sulfate administration • Sulfa and Sulfate are not the same thing (not even close!

  40. Non-narcotic Analgesics • The only non-narcotic analgesic we carry on the ambulance is aspirin. • And ironically, we don’t give aspirin for pain. • We give it to suspected cardiac patients, as aspirin is linked to better outcomes for these patients • May be due to its anti-clotting properties.

  41. Anesthetics • Anesthetics are CNS depressants. • Act on nervous tissue • Two main anesthetics in Silver Cross EMS system • Tetracaine – local anesthetic • 1 to 2 drops as needed for hazmat eye exposure • Nitrous oxide – inhaled anesthetic • Broken bones, non-respiratory burns, kidney stones • 50/50 concentration with oxygen • Contraindications – AMS, shock, abd trauma, facial injuries, COPD, head injury

  42. Benzodiazapines/Sedatives in Trauma • Versed (midazolam) used in Region VII for drug-assisted intubation, seizures and chemical restraint. • But medical control may also order Versed as muscle relaxant in long bones fractures, or to reduce anxiety in patient with pain.

  43. Some specific examples • Let’s take a look at some specific examples of calls involving pain, and what steps we can take to reduce that pain to ZERO.

  44. Isolated Extremity Injury • Control bleeding • Splint fractures, sprains and strains • BLS – a cold pack can reduce swelling and pain • ALS – nitrous oxide can help with fractures • If patient is able to self-administer w/injuries • ALS – morphine, 5-10mg slow IVP in 5mg increments every five min as needed for pain. • No morphine if hypotension from blood loss.

  45. Crush Injury • Control pain with morphine, 2mg increments IV/IM as needed for pain. • Call medical control first if patient has respiratory depression, bradycardia, hypotension

  46. Burns • Cooling/flushing smaller (<20% BSA) thermal or chemical burns with water can reduce pain. • Water usually not necessary for electrical burns. • Do not put ice or cold packs directly on burns. • Don’t pour water over entire body • Reduces pain for a while, then causes hypothermia

  47. Burns • Morphine 5-10mg IVP in 5mg increments every 5 min as needed for pain (no IM). • Don’t give if pt is in shock (hypotension). • If you hit the max, and you feel the patient needs more, talk to medical control • Nitrous oxide is also an option for burns.

  48. Pediatric Burns • Remember, kids deserve ZERO pain too! • Cool smaller burned areas with water or saline. • Kids can get morphine. • 0.1mg/kg (max of 5mg per dose) • Or use length-based pediatric tape (Broslow) • Newborns and young babies don’t get morphine • Call medical control first before giving MS to kids • Consider nitrous oxide if they can self-administer

  49. Frostbite • Frostbite victims can get nitrous oxide or morphine to reduce severe pain. • Morphine 5-10mg slow IVP in 5mg increments every 5 minutes as needed for pain. • Pediatric frostbite – 0.1mg/kg IVP, max 5mg per dose) • But contact medical control first in this case.

  50. Hazardous Material in Eye • Flush each eye with 1000ml NS minimum. • Reduces pain and removes harmful substances • Instill Tetracaine HC 0.5% 1-2 drops to eye for local anesthesia • Repeat as needed for pain • Remind patient not to rub eyes, since lack of pain may cause patient to harm eye with rubbing.