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CMS III - Surgery Test #1 - Post-Op Eval
Winter Semester 2011
75
Medical
Graduate
04/20/2011

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Cards

Term
What are some signs of post-op infection?
Definition
Pain
Fever
Hemodynamic Changes
Wound d/c
Term
What meds can be used for gram + coverage?
Definition
Cefotaxime,
Ceftizoxime,
Ceftriaxone,
Ceftazadime,
Aztreonam
Term
What meds can be used for gram - coverage?
Definition
Gentamycin (ototoxic),
Tobramycin (ototoxic),
Amikacin,
fluoroquinolones (not on pts under 18)
Term
What meds can be used for anaerobic coverage?
Definition
Clindamycin,
Metronidazole ,
Chloramphenicol
Term
What pathogen is the MC cause of necrotizing soft tissue?
Definition
Staph
Term
What is the treatment for Necrotizing soft tissue?
Definition
Clostridia = Pen-G + Clindamycin
Non-Clostridia = 1st generation Cephalosporin
Term
When does necrotizing soft tissue occur?
Definition
early in the post-op course (1 - 3 days)
Term
What organism is the common culprit in surgical wounds ↑ the waist?
Definition
Staph aureus, +/- Strep
Term
What organism is the common culprit in surgical wounds in the Axillae?
Definition
prominent Gram – bacteria
Term
What organism is the common culprit in surgical wounds ↓ the waist?
Definition
mixed aerobic/ anaerobic Gram - flora
Term
What are signs that the surgical wound is infected?
Definition
purulent drainage
Erythema
Fever
Term
When in the post-op course would a surgical wound infection show up?
Definition
5 days
Term
What can be helpful in diagnosing an intra-abdominal infection?
Definition
CT scan may be helpful in Dx - may show abscess
Term
What is the treatment for an intra-abdominal infection?
Definition
Amp/Gent/Clinda
Unasyn, Pipercillin, (both IV meds) etc
Fix the problem (percutaneous drainage, surg)
Term
If pt has been given treatment and is not improving, but worsening instead, what must you consider?
Definition
Rx was inadequate (incomplete drainage)
Complication from treatment
Superinfection (consider colitis)
Inadequate antibiotic choice or dosage
Term
When should you consider d/c IV antibiotic therapy?
Definition
If pt is afebrile x 48 hrs, consider D/C therapy or change to po Rx for 7-10 days
Term
What are most post-op fevers believed to be caused by?
Definition
believed to be from normal responses to surgical trauma
- cytokine-mediated rise in core temp
- acute phase proteins
- activation of endocrine & immune systems
Term
At what degree temp should a post-op be a cause for concern and an investigation is warranted?
Definition
> 38.3˚C (100.94F)
Term
When does an intra-abdominal infection normally show up?
Definition
5 - 10 days post-op
Term
What is the MC pulmonary complication of surgery? When does this complication occur?
Definition
Atelectasis; occurs within the first 24hrs
Term
What can prevent atelectasis?
Definition
Incentive spirometry
Term
What is a common post-op pulmonary complication in the elderly?
Definition
Aspiration
Term
For the Wound, what components do you need to worry about? (3)
Definition
Surgical wound infection
Wound abscess
Intra-abdominal infection
Term
For the Wind, what components do you need to worry about? (2)
Definition
Atelectasis
Aspiration
Term
For the Water, what components do you need to worry about? (3)
Definition
Indwelling foley catheter
Bladder obstruction (Prostatitis, BPH)
Urologic procedures
Term
For the Walk, what components do you need to worry about? (3)
Definition
Deep Vein Thrombosis
Thrombophlebitis
Central Venous Line Infection
Term
What are the components of virchow's triad?
Definition
stasis,
hypercoagulability,
endothelial damage
Term
What are the signs of a DVT?
Definition
Calf edema,
tenderness,
+ Homan’s sign
tachypnea
Term
What is the MC presentation of DVT?
Definition
tachypnea
Term
What is used to prevent DVT?
Definition
LMW Heparin (Lovanox); Intermittent pneumatic Compression devices (IPCs)
Term
What are the risk factors for DVT?
Definition
Age
Obesity
OCs
Malignancy
Leg Trauma, Ortho Surgery
Immobility
Term
What are the signs of thrombophlebitis?
Definition
Erythema & warmth over a vein, fever
Term
What are the signs and symptoms of a central venous line infection?
Definition
Spiking fevers
Term
What does the final W stand for?
Definition
Weird drugs, What did we do?
Term
For the last W, what components do you need to worry about? (3)
Definition
Transfusion related fever
Drug related fever
Central Lines put in?
Term
How long should a pt be NPO after a surgery?
Definition
until bowel sounds are ausculated and pt passes flatus
Term
What is the treatment for a post-op ileus?
Definition
Usually resolves spontaneously
- May need NG tube passed
Term
What is the regular pattern of return of gastric function?
Definition
#1 - Small Bowel
#2 - Stomach (returns in 24 - 48 hrs)
#3 - Colon (returns after 48 hrs)
Term
What complication of surgery is described as loss of normal propulsive activity of the GI tract?
Definition
Post-op Ileus
Term
What does hematoma mean?
Definition
blood filled
Term
What does seroma mean?
Definition
serous fluid with lipids, cellular debris
Term
What is a collection of blood, usually in the subcutaneous layer of a recent incision?
Definition
Hematoma
Term
What is a collection of liquefied fat, serum, and lymphatic fluid , often opened or aspirated?
Definition
Seroma
Term
What term means the intestines bulge out through scars that are a result of a previous surgery?
Definition
Incisional Hernia
Term
Which type of surgery type is described as wound edges are opposed & closed by either sutures, clips, tapes or dermal adhesives?
Definition
Primary intention
Term
Common name for 2-octylcyanoacrylate
Definition
Dermabond
Term
Common name for butyl-2-cyanoacrylate
Definition
Histoacryl
Term
Which type of wound repair is described as wound edges are left unopposed, and sometimes a dressing is placed in the cavity to absorb fluids and prevents the wound from sealing over?
Definition
Secondary intention
Term
Which types of wounds are repaired with secondary intention?
Definition
For “dirty” or contaminated wounds
Term
Which type of closure is described as a contaminated wound may initially be treated by repeated debridement or antibiotics for several days to prevent infection and closure occurs after several days through suturing, flap closure or by skin grafting?
Definition
Tertiary Intention – AKA Delayed Primary Closure
Term
What are the risk factors for poor wound healing?
Definition
DIDNT HEAL
D= Diabetes
I = Infection
D = Drugs
N = Nutritional Problems
T = Tissue Necrosis
H = Hypoxia
E = Excessive Tension on wound edges
A = Another concurrent wound
L = Low temp
Term
What is the MC pathogen causing post-surgical infection?
Definition
Staphylococcus aureus
Term
Besides S. aureus, what are the other most common pathogens involved in post-surgery infections?
Definition
Staphylococcus coagulase negative
Enterococcus
Escherichia coli
Term
What nutritional deficiencies can impact wound healing?
Definition
Low protein
Vitamin A, C, K
Zinc
Term
What can impede vitamin K, and therefore impede wound healing?
Definition
antibiotics. - affects gut flora responsible for synthesizing Vitamin K
Term
What type of wound classification in respect to microbial content would heart surgery be?
Definition
clean
Term
What type of wound classification in respect to microbial content would biliary and gastric surgeries be?
Definition
Clean contaminated
Term
What type of wound classification in respect to microbial content would colon surgeries be?
Definition
Contaminated
Term
What type of wound classification in respect to microbial content would appendicitis and colecistitis be?
Definition
Infected
Term
What are the MC cause of a post-op fever on day 1-2?
Definition
Wind (atelectasis)
Term
What are the MC cause of a post-op fever on day 3-5?
Definition
Water(Urinary)- UTI
Term
What are the MC cause of a post-op fever on day 5-7?
Definition
Wound - Wound Infection
Term
What are the MC cause of a post-op fever on day 7+?
Definition
Wonder Drugs
Term
What must you monitor when pt is on Heparin?
Definition
PTT
Term
What study is the BEST for evaluating a PE?
Definition
Pulmonary Angiography
Term
What are the signs of a PE?
Definition
Dyspnea
Tachycardia
CP
Hemoptysis
Term
What is the cause of malignant hyperthermia?
Definition
Autosomal dominant heredity
Intracellular calcium metabolism is disrupted
Term
What condition is described as aberrancies in receptors allows massive build-up of calcium to be released from the sarcoplasmic reticulum→ violent, sustained muscle contraction & rigidity, heat production & acidosis?
Definition
Malignant hyperthermia
Term
During surgery pts body temp begins to rise from 98 to 100F over 5 min, what condition might you suspect?
Definition
Malignant Hyperthermia
Term
What are the triggers for malignant hyperthermia?
Definition
Inhaled halothane anesthetic agents, specifically Succinylcholine
Term
What is the gold standard for diagnosing malignant hyperthermia?
Definition
IVCT – in vitro contracture test
Term
What is the treatment for malignant hyperthermia?
Definition
D/C triggering anesthetic
Dantrolene via rapid IVP
Term
What are the complications of malignant hyperthermia?
Definition
Rhabdomyolysis
Renal failure
Myopathy
Death
Term
In what days post-op does an anastamotic leak occur?
Definition
POD 3 - 5
Term
What may be the cause of post-op fever weeks after?
Definition
Endocarditis
Infected Prostheses
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