Pre/Post Operative Flashcards
When can a patient eat prior to major surgery
Should be NPO after midnight the night before surgery or at least 8 hours before surgery
What risks should be discussed with all patients and documented on the consent form for a surgical procedure
Bleeding, Infection, Anesthesia, Scar
Other risks specific to patient such as MI, CVA, Death
If the patient is on antihypertensive meds should the patient take them on the day of the procedure
Yes
If a patient is on oral hypoglycemic agent should the patient take it the day of surgery
Not if they are to NPO before surgery
If the patient is taking insulin should the patient take it on the day of surgery
No
Only half of a long lasting insulin and start D5 NS IV
Check glucose levels often before, during, and after surgery
Should a patient who smokes cigarettes stop before an operation
Yes, Improvements are seen in just 2-4 weeks after smoking cessation
What laboratory test must all women of childbearing age have before enter an OR
Beta-HCG and CBC (pregnancy and anemia)
What preoperative procedure should be performed before colon surgery
Bowel prep with colon cathartic (goLYTELY), Oral antibiotics (Neomycin and Erythromycin base), IV antibiotic before incision
What preoperative meds can decrease postoperative cardiac events and death
Beta-Blockers
What must you always order preoperatively for your patient undergoing a major operation
NPO/IVF
Preoperative Antibiotics
Type and Cross Blood
What electrolyte must you check preoperatively if a patient is on hemodialysis
Potassium
What gets a preoperative EKG
Patients older than 40 years of age
What are the surgical causes of Metabolic Alkalosis
Vomiting, NG suction, diuretics, alkali ingestion, mineralocorticoid excess
What are the surgical causes of Respiratory Acidosis
Hypoventilation, PTX, Pleural effusions, Airway Obstruction
What are the surgical causes of Respiratory Alkalosis
Hyperventilation
What are surgical causes for Hypokalemia
Diuretics, antibiotics, steroids, NG aspiration, Vomiting
Sx of Hypokalemia
Weakness, tetany, N/V, Ileus, Paraesthesia
What are EKG findings for Hypokalemia
Flattening of T waves
U waves
Tx of Hypokalemia
KCL IV
What electrolyte must you replace first before replacing Potassium
Magnesium
What are surgical causes for Hypernatremia
Inadequate hydration Diabetes Insipidus, Diuresis, Vomiting, Diarrhea
Sx of Hypernatremia
Seizures, Confusion, Stupor, Pulmonary or Peripheral Edema, Tremors, Resp. Paralysis
Tx for Hypernatremia
D5W, 1/4 NS or 1/2 NS
What is a major complication of lowering sodium level too fast
Seizures
What are the surgical causes for Hypovolemia
Diuretic excess, hypoaldosteronism, Vomiting, NG suction, burns, pancreatitis, Diaphoresis
What are the surgical causes for Euvolemia
SIADH, CNS abnormalities, Drugs
What are the surgical causes for Hypervolemia
Renal Failure, CHF, liver failure (cirrhosis), iatrogenic fluid overload
Sx of Volume imbalance
Seizures, coma, N/V, ileus, lethargy, confusion, weakness
Tx for Hypovolemia
IV NS, correct underlying cause
Tx for Euvolemia
SIADH: Furosemide and NS
Fluid restriction
Tx for Hyervolemia
Dilution: Fluid restriction and diuretics
What results if you correct hyponatremia too quickly
Central pontine myelionolysis
What are sx of Central Pontine Myelinolysis
Confusion
Spastic Quadriplegia
Horizontal gaze paralysis
What are causes of Hypercalcemia
Calcium Supplements Hyperparathyroidism Hyperthyroidism Immobility Milk Alkali Syndrome Paget's Disease (of bone) Addison's Disease Neoplasm Zollinger-Ellison Synddrome Excess Viatmin D, Vitamin A Sarcoid
Sx of Hypercalcemia
Stones, Bones, Groans and psychiatric overtones
Tx for Hypercalcemia
Volume expansion with S
Diuresis with furosemide
What are surgical causes for Hypocalcemia
Short bowel syndrome Intestinal bypass Vitamin D deficiency Sepsis Acute Pancreatitis Osteoblastic Mets
What is Chvostek’s Sign
Facial muscle spasm with tapping of facial nrve
What is Trousseau’s Sign
Carpal spasm after occluding blood flow in forearm with blood pressure cuff
Sx of Hypocalcemia
Chvostek’s and Trousseau’s Sign, Increased DTR, Confusion, Abdominal Cramps
What are EKG findings for Hypocalcemia
Prolonged QT and ST intervals
Tx for Hypocalcemia
Calcium Gluconate IV
What is a complication of infused calcium if th IV infiltrates
Tissue necrosis
What are surgical causes for Hypermagnesemia
TPN, Renal Failure
Sx of Hypermagnesemia
Respiratory Failure, CNS Depression, Reduced DTR
Tx of Hypermagnesemia
Calcium gluconate IV, Insulin plus Glucose, Dialysis
What are surgical causes for Hypomagnesemia
TPN, Hypocalcemia, Gastric Suctioning, Aminoglycosides, Renal Failure, Diarrhea, Vomiting
What are sx of Hypomagnesemia
Increased DTR, Tetany, Asterixis, Tremor, Chvostk’s Sign
Tx for Hypomagnesemia
MgSO IV
What are surgical causes for Hyperglycemia
DM, Infection, Stress, TPN, Drugs
Sx of Hyperglycemia
Polyuria, Hypovolemia, Confusion/coma
Tx of Hyperglycemia
Insulin
What are surgical causes for Hypoglycemia
Excess insulin, decreased caloric intake, drugs, liver failure
Sx of Hypoglycemia
Diaphoresis, Tachycardia, Palpitations, Confusion, Coma, Headache, Diplopia, Neurologic deficits, seizures
Tx for Hypoglycemia
Glucose (IV or PO)
What are sx of a transfusion reaction
Fever, Chills, Nausea, Hypotension, lumbar pain, chest pain, abnormal bleeding
Tx for transfusion hemolysis
Stop transfusion, provide fluds, perform diuresis (Lasix) to protect kidenys, give pressors if needd
What factor is deficient in Hemophilia A
Factor 8
What is the preoprative treatment for Hemophilia A
Factor 8 infusion to more than 100% normal preoperative levels
What coagulation study is elevated with Hemophilia A
PTT
What factor is deficient in Hemophilia B
Factor 9
What is Von Willebrand’s Disease
Deficiency of vWF and Factor 8:C
What is used to correct Von Willebran’d Disease
DDAVP or Cryoprecipitate