Preop Flashcards

(77 cards)

1
Q

Health Care Proxy Vs. Living Will

A

Health Care Proxy
Statement by the patient appointing someone to manage health care
treatment decisions in the event that the patient is unable to do so
nA copy of these must be put in the chart treatment decisions in the event that the patient is unable to do so
nA copy of these must be put in the chart
n
Living Will
Document prepared by the patient & Lawyer providing specific
instructions about what medical treatment the patient chooses to
accept or refuse in the event that the patient is unable to make such
decisions.

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2
Q

Restorative/ reconstruction

A

restores function or appearance to traumatized tissue

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3
Q

pallative

A

reduce pain/symptoms, does not produce a cure

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4
Q

comestic/plastic

A

performed to improve personal appearance ( plasty)

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5
Q

laparoscopic cholecystectomy

A

surgical removal of gallbladder through open incision

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6
Q

Emergent

A

immediate need

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7
Q

urgent

A

within 24 hrs-48 hrs ( find a tumor…)

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8
Q

required

A

scheduled surgery

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9
Q

elective

A

recommended - not required ( cataracts) (tonsils ) (back surgery)

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10
Q

optional

A

patients’ desire or choice ( breast augmentation) (face lift)

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11
Q

Preoperative Risk Factors

A

A potential or actual problem or condition that could cause an
adverse reaction, complication, or fatality to the patient during the
peri-operative period

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12
Q

Pre-Operative Risk Factors:

A

nDrugs
nSteroids
nNSAIDS
nChemotherapy
nImmunosuppressive
nAnticoagulants
nChronic Disease
nLifestyle

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13
Q

Time Out Sheet

A

Patient safety:
Universal Protocol/Surgery Procedure Record:
nEnsures that patient is prepared for surgery
nVerification of surgery/procedure
nLocation of surgery (part of body)
nConfirm patient identity
nReduces chance for potential error

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14
Q
  1. Malignant Hyperthermia

first sign is

A

vSusceptible pts exposed to certain general anesthetic agents-
succinylcholine (Anectine) and inhalation agents)

Life threatening
vInitial s/s: increased expired CO2, muscle and jaw rigidity,
tachycardia, tachypnea, dysrhthmias, hypoxemia, metabolic acidosis

( blood PH d/t hypoxemia), unstable blood pressure, high fever-

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15
Q

Malignant Hyperthermia
TREATMENT: ( medications stated 2)

A

nOxygen (hyper-oxygenate) * 100% oxygen*
nOR Nurse- Initiate active cooling (chilled IV fluids, cooling
blanket)

nDantrium (dantrolene sodium) IV

nSodium Bicarbonate IV (for met. acidosis-low PH)

nProtocol displayed in ALL Surgical suites

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16
Q

Malignant Hyperthermia (cont.)
PREVENTION:

A

v during preop assessment obtain a thorough patient history of
previous reactions to anesthesia
vas well as any family history of reactions to anesthesia (including hx
of MH)
vnotify anesthesia provider immediately

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17
Q

Latex Allergy

A

nHigh Risk Groups- add healthcare workers to list
nSigns and Symptoms (S&S):
nLocalized
nSystemic
nTreatment: epinephrine, antihistamines (Benadryl), latex-free
environment
nThorough pre-op questioning
nIdentify all patients with actual or suspected latex allergies with
wristband

risk: tropical fruits/spinal Bifida/ alot of surgeries in life

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18
Q

General Anesthesia:

A

vUse of inhalation and skeletal muscle relaxation
vGiven IV and/or inhalation
vPatient has loss of sensation/pain, consciousness, and reflexes
vRequires advanced airway
management
vUsed for “major surgeries”

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19
Q

Anesthetic given IV and inhalation:

Sedative Hypnotics- IV
( BAM)

A

Nonbarbiturate hypnotic: Propofol (Diprivan)

a.Barbiturates: pentothal, brevital

b.Benzodiazepines:
-midazolam (Versed)
-diazepam (Valium)
-lorazepam (Ativan)

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20
Q

Narcotics:

Anticholinergics:

Muscle relaxants:

A

Narcotics: (opioids -provide analgesia, induce and maintain
anesthesia) morphine, fentanyl, dilaudid
Anticholinergics: (depress gastric secretions and motility) robinul,
atropine
ADD: Antiemetics (prevents nausea/vomiting): zofran, reglan
Muscle relaxants: (cause skeletal muscle relaxation, allowing for
easier intubation) succinylcholine

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21
Q

IV Induction Agents

A

Induction- administration of anesthetic agent for placement of
endotracheal tube (ET) or laryngeal masked airway (LMA)
vGiven IV- smooth and rapid induction with short duration of action.
Barbiturates: sodium pentothal
Others: propofol, succinylcholine, etomidate, ketamine

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22
Q

Inhalation Agents:

A

Administered through mask or ET tube while on mechanical
ventilation
ET tube permits control of ventilation,
from aspiration
protects the airway
n
nExamples:
nVolatile liquid: isoflurane, desflurane, sevoflurane, (halothane)
nGaseous agent: nitrous oxide

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23
Q

(relax)
(paralyze)

A

nSuccinlcholine, anectine- depolarizing agent (relax)

nPavulon, curare- non-depolarizing agent (paralyze)

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24
Q

Undesirable Effects
of General Anesthesia

A

Decr ciliary-HRF infection (pneumonia)/ HRF ineffective airway
clearance RT increased secretions
Loss of gag reflex- HRF aspiration
Snoring- HRF ineffective airway clearance
Atelectasis- HRF ineffective gas exchange
Hypotension- HRF ¯ cardiac output, increased HR
Decr peristalsis- HRF constipation/altered bowel

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25
Diagnostic surgery
going in the patient looking
26
Palliative Surgery
providing relief
27
ablative surgery think " ectomy"
the removal or destruction of a body part or tissue or its function.
28
reconstructive
one to correct facial and body abnormalities caused by birth defects, injury, disease, or aging
29
Pre Induction- Induction- Maintenance – Emergence –
pre-anesthesia evaluation and sedation to reduce pt anxiety administration of anesthetic with endotracheal intubation positioning pt, prepping skin, surgical procedure, anesthesia maintained surgery complete, anesthetics are decreased, pt begins to waken, airway removed
30
Post Op Pulmonary Complications: Atelectasis (cont.) Assessment:
I- poor chest expansion; poor cough P- uneven expansion; decreased excursion; absent or decreased “99” where no air is moving P- consolidation=dullness on percussion A- crackles, decreased breath sounds,
31
Hypostatic pneumonia – .
due to ̄ mobilization of secretions/stasis – RT poor C&DB, ­ secretions, lying in bed, poor resp effort
32
Aspiration pneumonia –
mechanical / chemical reaction in the lungs
33
Pleurisy
symptomatic unless pneumonia
34
Hemorrhage Internal – Refer to Shock Content for assessment and treatment guidelines External- Wound – must assess the dressing frequently postoperatively.
35
nPhlebitis:
36
nVenous Thrombosis: n SVT (Superficial Vein Thrombus): n DVT (Deep Vein Thrombosis): nVenous Thromboembolism (VTE): includes DVT and PE (pulmonary emboli)
37
SVT and/or DVT caused by:
1. Venous stasis 2. Injury to vessel wall 3. Increased blood coagulability
38
Patients at highest risk for DVT or SVT:
nDehydrated, fluid volume deficit nStroke pts – 75% in affected side nSpecific surgeries – Gyn – esp vaginal / abdominal hysterectomy, prostate, bladder, orthopedic nDrugs – hormonal replacements, birth control nFamily history of DVT nBedrest, occupations with prolonged sitting/standing nVaricosities, obesity, elderly, smokers
39
SVT: s/s and treatment
Symptoms: palpable, cordlike vein. Surrounding area may be itchy, tender, reddened and warm. Treatment: arm/leg exercises, TEDS, ambulation, ASA, NO massage/rubbing to area, (anticoagulant therapy is not usuallyneeded for superficial vein thrombus)
40
Deep Vein Thrombus S/S:
nTenderness on palpation nPain, severe cramping, or heaviness nEdema; discoloration nPositive Homan’s sign (if leg vein) nMalaise, fever Location: axillary or subclavian veins of arms; femoral or iliac veins of legs
41
DVT Diagnosis:
nBloodwork: H & H; aPTT; INR; bleeding time; platelet level; D- dimers nDoppler ultrasound nVenogram : CT and/or MRI
42
DVT PREVENTION
nPrimary Goal for all surgical patients = Prevention of DVT formation nEarly ambulation or T & P Q2hr minimum if on bedrest nHip and knee flexion exercises if not contraindicated nPneumatic Compression Devices: Flowtrons, Foot Pumps; DVT cuffs, etc. nCompression stockings - TEDS, JOBST, ace bandages
43
nProphylactic anticoagulants:
nUH: Heparin n Vitamin K Antagonists: warfarin (Coumadin) nLMWH: Lovenox, Fragmin nDirect Thrombin Inhibitors: Arixtra
44
DVT TREATMENT nSurgical :
nUH, LMWH, or Factor Xa Inhibitor and warfarin nMonitor appropriate labwork - watch out for shaving nUH, LMWH, or Factor Xa Inhibitor and warfarin nMonitor appropriate labwork nBleeding precautions nThrombolytic agent nMonitor for & prevent PE nSurgical : nVenous thrombectomy nGreenfield Filter
45
Pulmonary Embolism- PE: Blood clot/ mass of cells lodged in pulmonary artery Diagnosis: ______scan;
PE: Blood clot/ mass of cells lodged in pulmonary artery nPartial or total occlusion resulting in loss of blood flow to 1 or more lobes of lung nEmbolism may be bone, fat, air, blood, foreign object, amniotic fluid Life threatening!!! Diagnosis: V/Q scan; ABG; Chest x-ray; CT
46
Pulmonary Embolus
Pulmonary Embolus S/S: Vary on size of embolus n Chest Pain ( head of the bed with oxygen) n Tachycardia, n tachypnea, n Dyspnea, n Skin changes- n LOC changes- hypoxia n Hemoptysis- blood in sputum n Cough, crackles, wheezes, cyanosis
47
Anticoagulation Therapy For DVT prophylaxis: (subcutaneous)
nUH (Heparin SC) and LMWH (Low molecular weight heparin) nWhen given as prophylaxis – given in low doses that and routes that do not change lab values significantly or need monitoring
48
nIV Heparin –
given according to WEIGHT BASED at first then adjusted to aPTT time q6h ® qd to prevent further thrombus
49
naPTT values:
n Normal also referred to as control; varies according to type of reagent/test used by lab nControl/Normal aPTT value = 30 – 40 seconds
50
nFor treatment of DVT need anti-coagulated values which is an aPTT
nFor treatment of DVT need anti-coagulated values which is an aPTT at 1.5 – 2.5 times control (also called therapeutic level)
51
nAntidote for heparin = NEED TO KNOW!
protamine sulfate***
52
Warfarin (Coumadin) Therapy: nNormal/Control/ value PT - n PT Therapeutic levels - nINR therapeutic levels- (normal = ) nAntidote for Coumadin =
Warfarin (Coumadin) Therapy: nUsually started within 24 hrs of heparin initiation nOral dosage nAdjusted daily according to Prothrombin time (PT) and International Normalized Ratio (INR) nPT normal nNormal also referred to as control; varies according to type of reagent/test used by lab nNormal/Control/ value PT - 11 – 12.5 seconds n PT Therapeutic levels - 1.5 – 2 X control value nINR therapeutic levels- 2 – 3 (normal = 0.75-1.25) nAntidote for Coumadin = Vitamin K
53
Adjusted daily according to Prothrombin time (PT) and International Normalized Ratio (INR)
Tells you how long it takes for your blood to clot
54
NEED TO KNOW* DVT prophylaxis Orthopedic surgery DVT Treatment Pulmonary embolism
Preferred INR 1.5-2.0 2.0-3.0 2.0-3.0 3.0-4.0
55
BLEEDING PRECAUTIONS:
nNo razor (electric ok) nIM very cautiously with pressure after n­ pressure on bleeding areas nSoft toothbrush nAvoid trauma- risk of internal bleeding nOn coumadin – Health teaching patients to keep Vit. K foods consistent (Dark green veggies) Don’t change amount daily.
56
nAntidotes on unit AAT –
nHeparin –protamine sulfate (aPTT) nCoumadin –Vitamin K (PT/INR)
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nDo not give anticoagulants if :
nAny existing bleeding – vaginal, rectal, urinary, open wounds, aneurysm nAlcoholism
57
Heparin- Coumadin-
Heparin- aPTT Coumadin- PT/INR
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Post Op GI Complications-
Causes- 1. Anesthesia 2. Pain 3. Manipulation of internal organs 2. Pain 3. Manipulation of internal organs
59
Treatment-GI
v NPO, progressing to clear to full liq to regular diet nOften order written as “Advance as tolerated” v Antiemetic meds v Pain meds v N/G tube prn v Prevent injury to suture line
60
FUNCTIONAL BOWEL (s/s)/ upper vs lower
A.Paralytic Ileus – define : Peristalsis does not return to parts of the bowel within 3-5 days post op Signs and symptoms – ØUpper intestine- discomfort, mild distention, nausea / vomiting ØLower intestine –Colicky pain, distention evident, tympany on percussion, vomiting- may look like fecal matter (but usually pt has been NPO and bowel emptied before OR)
61
GI Complication: Paralytic Ileus Diagnosis
Diagnosis: nX-ray - Flat plate abdomen nEndoscopy nGI series nIAPP
62
Paralytic Ileus- Treatment (lay on WHAT SIDE)
ØOOB and AMBULATE!!! ØNPO until + bowel sounds – listen carefully ØNG tube in or unclamped ØGive metoclopramide (Reglan) if ordered –GI stimulant ØAvoid meperidine (Demerol) – slows smooth muscle. Ø Pt should lie on RIGHT side when in bed
63
Post op GI Complication: Bowel Obstruction mechanical Causes:
vIntussusception vTumors vStrictures / hernias vAdhesions from previous surgeries (scar tissue that grows in peritoneum between and around organs) vAbscesses
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Bowel Obstruction – mechanical (Signs and symptoms:)
v Pain – crampy, wavelike, colicky vAbdominal distention vLeakage or passing blood or mucus rectally vNo stool, No flatus vVomiting intestinal contents vS/S dehydration-?? 3rd spacing
65
“Third Spacing” =
fluid shifts to an area not contributing to equilibrium
66
3rd spacing causes/s/s / rx
nSurgical trauma- esp. bowel surgery of bowel obstruction, burns, peritonitis, bleed into joints causes inflammatory process. nS/S - imbalance of fluid – more in than out nOliguria, look of dehydration, poor VS but lots of IV fluid in. nBowel can sequester (hold) up to 12 Liters nWeight gain – each Liter of fluid retained =1kg = 2.2 lbs. nRx – hypertonic IV to draw fluid from cells to intravascular spaces
67
Bowel Obstruction – mechanical Diagnosis –
Abdominal x-ray, CBC, Chemistries Treatment – NPO, monitor VS esp Temp., minimal pain meds until Dx made. vNG tube (Salem sump), Miller-Abbott tube vEndoscopy vExploratory laparoscopy/laparotomy
68
Nasogastric (NG) Tube
Used to decompress stomach & upper GI tract, rest GI system, decompression for obstruction Levin- single lumen Salem Sump- double lumen with air vent Pt NPO Assess- nPlacement, drainage, patency, tape/pin nSuction (intermittent or low continuous) nI/O, Fluid &Electrolyte balance, Labs nOral care, nasal care, HOB ­, T&P q2h nAssess bowel sounds (turn off suction first)
69
NG Complications
nDehydration nFluid &Electrolyte imbalance nHyponatremia – low sodium (Na+) nHypokalemia –low potassium (K+) nMetabolic alkalosis nHunger-irritable- assess depression nGood oral care
70
Electrolyte imbalances
nSodium (Na+) imbalance – fluid & electrolyte shifts. ̄ Na+ = less water retained ­ Na+ = fluid volume excess nPotassium (K+) imbalance – muscle contractility affected – esp heart muscle ̄K+ OR ­ K+ -both need attention and medical collaboration - meds
71
RULES for KCl use IV (potassium chloride)
nCheck lab values of K+ and Na+ often nEKG done if ordered nMust have urine output >30cc/hr- KCL is excreted by kidneys nEKG done if ordered nMust have urine output >30cc/hr- KCL is excreted by kidneys nNever more than 80 mEq / liter of IV flds -40 mEq/L preferred amt nIVPB – NEVER IV PUSH nRate of infusion
72
Post Op Wound Care Wound Drains: 1. 2. 3.
Wound Drains: Reduce edema, drainage 1. Penrose 2. Jackson Pratt drain- works by suction, must be compressed . 3. Hemovac- must be compressed Must empty drains every shift and prn
73
Responsibilities with drains
nAssess q time of vitals and more often prn nMaintain compression of JP drains and Hemovac nExpect large amount of drainage on drsg. with penrose drains nDon’t expect much drainage on drsg with JP & Hemovac drains if working. nBe careful when moving pt.- drains are not always sutured in!!
74
Wound Separations nDehiscence – S/S – nEvisceration – S/S – pt. TREATMENT –
Wound Separations nDehiscence – wound edges open and disintegration of underlying layers S/S – open incision. Serous oozing. Wound pain nEvisceration – contents of body cavity protrude through dehiscence S/S – organs through skin, gush of fluid nEvisceration – contents of body cavity protrude through dehiscence S/S – organs through skin, gush of fluid pt. Feels something pop! Or let go! TREATMENT – NS soaked STERILE Drsg- must keep moist CALL surgeon STAT
75
Wound Healing primary secondary tertiary
refers to when doctors close a wound using staples, stitches, glues, or other forms of wound-closing processes. Secondary wound healing, or secondary intention wound healing, occurs when a wound that cannot be stitched causes a large amount of tissue los delayed primary closure, occurs when there is a need to delay the wound-closing process.
76
VQ scan
measures the airflow (ventilation) and blood flow (perfusion) in your lungs. You breathe in and are injected with radioactive material while a provider takes pictures of your lungs