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Rad T 216. Adler/Carlton Ch 17 and 19 Aseptic Techniques Medical Emergencies. Aseptic Technique. The purpose of aseptic technique is to reduce the number of microorganisms. Surgical asepsis – protection against infection before, during, and after a procedure using sterile technique.

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rad t 216

Rad T 216

Adler/Carlton Ch 17 and 19

Aseptic Techniques

Medical Emergencies

aseptic technique
Aseptic Technique
  • The purpose of aseptic technique is to reduce the number of microorganisms.
    • Surgical asepsis – protection against infection before, during, and after a procedure using sterile technique.
    • Medical asepsis – removal or destruction of infected material
radiology procedures requiring sterile technique
Radiology Procedures Requiring Sterile Technique
  • Angiography
  • Arthrography
  • Hysterosalpingography
  • Surgical procedures
sterile field
Sterile Field
  • A microorganism free area that can receive sterile supplies
    • Sterile drape
    • Sterile packages
    • Surgical scrub
      • This will be dependent on the facility which exams require surgical scrub
        • Numbered stroke
        • Timed scrub
    • Sterile gowning
      • Follows sterile scrubbing
basic principles of sterile technique
Basic Principles of Sterile Technique
  • Only sterile items in sterile fields
  • If you doubt the sterility considered it un-sterile
  • Create the field when ready not long before
  • Below the table or waist is considered un-sterile
  • Gowns are sterile on the sleeves and front from the waist up
  • Un-sterile personnel cannot reach over or above a sterile field
  • Sterile materials must be kept dry
surgical radiography
Surgical Radiography
  • Sterile Corridor
    • The area between the patient drape and instrument table
what is an emergency
What is an emergency?
  • Sudden change in medical status that requires immediate attention
general priorities
General Priorities
  • Ensure an open airway
  • Control bleeding
  • Take measures to prevent or treat shock
  • Attend to wounds or fractures
  • Provide emotional support
  • Continually re-evaluate
  • Know the location of the nearest crash/emergency cart
head injuries
Head Injuries
  • Level of Consciousness
    • Any patient who has suffered a head injury needs to be constantly monitored for changes to their level of consciousness
types of shock
Types of Shock
  • Hypovolemic
    • Loss of blood or tissue fluid
  • Cardiogenic
    • Due to any number of cardiac problems
  • Neurogenic
    • Spinal anesthesia or upper spinal cord trauma
  • Vasogenic
    • Sepsis, deep anesthesia, or anaphylaxis
signs and symptoms of shock
Signs and Symptoms of Shock
  • Restlessness,
  • Apprehension or general anxiety
  • Tachycardia
  • Decreasing blood pressure
  • Cold and/or clammy skin
  • Pallor
contrast media reactions
Contrast Media Reactions
  • Anaphylactic or vasogenic shock
  • Ranges from mild to severe
    • Impossible to accurately predict
  • Generally, the longer it takes to develop the less severe
  • If you suspect a reaction don’t hesitate call for help
diabetic crises
Diabetic Crises
  • Hypogylcemia
    • Excessive insulin
      • Confusion, irritablility,
      • Patient needs carbohydrates
  • Hypergylcemia
    • Excessive sugar in the blood
      • Takes time to develop
      • Excessive thirst and urination
      • Can lead to diabetic coma
respiratory distress arrest
Respiratory Distress/Arrest
  • Asthma
    • Stress may trigger an attack
      • Allow the patient self-medicate, get them is a sitting position
  • Choking
    • Heimlich maneuver
cardiac arrest
Cardiac Arrest
  • ABCs
  • Remember, the first step is to call for help before beginning CPR
  • Sudden or protracted onset
    • Slurred speech, dizziness, confusion, loss or blurred vision
minor medical emergencies
Minor Medical Emergencies
  • Nausea and vomiting
    • Maintain airway, patient on side
  • Epistaxis
    • Lean forward and pinch the nose
  • Vertigo and syncope
    • Recumbent, loosen clothing
  • Seizures
    • Protect the patient from falling
  • Hemorrhage
    • Notice dressings, saturated dressings should not be removed, a new one should be applied over the existing one
    • Extremity- if possible put the extremity above the level of the heart
  • Burns
    • Maintain sterile precautions
  • Dehiscence
    • Sutures separate