Term
What are the effects of fat soluble vitamin deficiencies? |
|
Definition
A: vision; D: bone health; K: long PT/INR; E: free radical damage |
|
|
Term
Fermentation of lactose by bacteria causes what? |
|
Definition
|
|
Term
|
Definition
general term for diseases with malabsoption feature (ulcerative colitis and crohn's) |
|
|
Term
|
Definition
ulceration of colon mucosa (rectum and sigmoid); frequent bloody mucous diarrhea; increased risk of colon cancer |
|
|
Term
Describe how to prep the bowel for a flexible sigmoidoscopy |
|
Definition
1-2 fleets enemas; miralaax is used less often; regular or clear diet prior |
|
|
Term
What is the best known anti-diarrheal med? |
|
Definition
|
|
Term
What is the drug combination for lomotil? |
|
Definition
Diphenoxylate (opioid that slows movement of intestines) and atropine |
|
|
Term
What is given to treat Crohn's and UC if the patient has a sulfa allergy? |
|
Definition
|
|
Term
What is a side effect of Sulfasalazine? |
|
Definition
may cause skin or urine to turn orange-yellow, headache and photosensitivity |
|
|
Term
Describe the dietary considerations for someone with IBD |
|
Definition
limit dairy, low fiber, eat small meals, use supplements, drink lots of fluids |
|
|
Term
|
Definition
continent ileostmy; patient can cath themselves to poop |
|
|
Term
Describe post op care for an ileostomy |
|
Definition
high stool output; assess for hemorrhage, SBO, dehydration |
|
|
Term
T/f: Crohn's manifests with bloody diarrhea |
|
Definition
|
|
Term
Describe short bowel syndrome |
|
Definition
inadequate surface absorption which requires TPN supplementation |
|
|
Term
What is a low residue diet and why is it important in diverticular disease? |
|
Definition
low fiber; prevent increase in colon wall pressure |
|
|
Term
What is the most common symptom of diverticulitis? |
|
Definition
|
|
Term
Rectal bleeding is a rare emergent complication of what? |
|
Definition
|
|
Term
|
Definition
abnormal connection of tissue between two organs or organ and skin |
|
|
Term
How does constipation contribute to diverticular disease? |
|
Definition
straining increases pressure in the colon which causes it to bulge out through weak spots |
|
|
Term
What two things should not be done when treating appendicitis? |
|
Definition
laxatives/enemas and heat too the abdomen |
|
|
Term
Describe the function of the liver |
|
Definition
largest metabolic organ; key in digestion, nutrition, metabolism, elimination |
|
|
Term
What are the signs of liver dysfunction? |
|
Definition
increased liver enzymes, n/v, fever, fatigue, pruritis (later) |
|
|
Term
What are the meds that treat itch as a result of liver dysfunction? |
|
Definition
cholestyramine, rifampin, narcan, zofran, eucerin |
|
|
Term
Jaundice occurs due to what? |
|
Definition
inflammation and edema of liver |
|
|
Term
Describe LFTs in a dysfunctional liver |
|
Definition
enzymes increase, proteins decrease, increase coag and bilirubin |
|
|
Term
Describe prep for a liver biopsy |
|
Definition
avoid that meds effect platelets and clotting, limit food or drink |
|
|
Term
What are the needles for performing liver biopsies? |
|
Definition
|
|
Term
What do these signs seen after a liver biopsy indicate? pain in abdomen, chest, shoulder, sob, persistent bleeding |
|
Definition
leakage of bile into abdominal cavity |
|
|
Term
leakage of bile into the abdominal cavity can lead to what? |
|
Definition
|
|
Term
What are the consequences of portal hypertension? |
|
Definition
varicose veins in esophagus, stomach and rectum; splenomegaly from increased splenic vein pressure |
|
|
Term
What does black tarry stool indicate? |
|
Definition
|
|
Term
What are the supportive measures for an acute bleed? |
|
Definition
FFP, PRBC, Vitamin K, antacids (proton pump inhibitor) |
|
|
Term
Describe the treatment of esophageal varices |
|
Definition
manage bleeding with volume replacement, vasoconstrictive drugs, norepi |
|
|
Term
Why has ER shunt surgery been abandoned to treat esophageal varices? |
|
Definition
high mortality rate; esophageal transection is best choice (esophageal ring is removed and ends stapled together) |
|
|
Term
Describe TIPS in treating liver issues |
|
Definition
creates shunt so blood flows from high pressure hepatic vein to lower pressure hepatic vein; reduces formation of ascites |
|
|
Term
What are the names of two beta blockers that can reduce variceal bleeding? |
|
Definition
propranolol and nadolol; reduce portal pressure to allow adrenergic constriction |
|
|
Term
What medication treats ascites? |
|
Definition
aldactone (K sparing diuretic); may be used in combo with lasix |
|
|
Term
What are the contraindications of abdominal paracentesis? |
|
Definition
disseminated intravascular coagulation |
|
|
Term
Describe Spontaneous Bacterial Peritonitis |
|
Definition
common fatal complication of cirrhosis;fever, abdominal pain; claforin used to treat it |
|
|
Term
Describe refractory ascites |
|
Definition
not successfully managed by meds; can use TIPS, transplant, or laveen shunt as Tx |
|
|
Term
Describe the laveen shunt |
|
Definition
moves ascites fluid to SVC; last resort b/c of outcomes |
|
|
Term
Describe hepatic encephalopathy |
|
Definition
CNS disturbance from high Ammonia (protein digestion byproduct) |
|
|
Term
|
Definition
flapping tremor of wrist upon extension r/t ammonia |
|
|
Term
What are some meds used to treat hepatic encphalopathy and how do they work? |
|
Definition
lactulose, flagyl (antibiotic reduces ammonia from bacteria) |
|
|
Term
Someone with low bilirubin will have what color stools? |
|
Definition
|
|
Term
Liver dysfunction inhibits the body's ability to metabolize what? |
|
Definition
|
|
Term
Describe hepatorenal syndrome |
|
Definition
oliguric hepatic failure w/ decrease in blood volume r/t GI bleed, hypotension |
|
|
Term
Hyperglycemia is a common manifestation of ___ while hypoglycemia is a manifestation of ____ |
|
Definition
chronic liver disease; liver failure |
|
|
Term
What are the pancreatic enzymes? |
|
Definition
lipase, amylase, protease |
|
|
Term
Describe acute pancreatitis |
|
Definition
inflammation leads to enzymes leak with edema, vascular damage, Ca deposition in areas of fat necrosis |
|
|
Term
Ca in acute pancreatis is what? |
|
Definition
sequestered to areas of fat necrosis |
|
|
Term
What are the clinical manifestations of acute pancreatitis? |
|
Definition
epigastric pain radiating to back, fevver, paralytic ileus, hypotension, jaundice |
|
|
Term
|
Definition
|
|
Term
Describe the treatment plan for acute pancreatitis |
|
Definition
pain, antacids, NPO, Ca, Rest GI tract, Electrolytes, Antibiotics, Suction |
|
|
Term
What are the complications of chronic pancreatitis? |
|
Definition
abdominal pain, malabsorption syndromes, DM, abcesses, pseudocysts |
|
|
Term
What are the diagnostic results for chronic pancreatitis? |
|
Definition
elevated amylase, lipase, hyperglycemia, low Ca |
|
|
Term
Describe pancreatic cancer pain |
|
Definition
significant later on, worse when laying down, no relation to food |
|
|
Term
What are two ADH antagonists? |
|
Definition
lithium carbonate and demeclocycline (corrects low Na) |
|
|
Term
What med inhibits ADH release? |
|
Definition
|
|
Term
|
Definition
|
|
Term
Describe diabetes insipidus |
|
Definition
low ADH or lack of response; neurogenic (primary), nephrogenic (kidney doesn't respond to ADH), psychogenic (excessive water intake) |
|
|
Term
|
Definition
antidiuretic replacement therapy to control DI |
|
|
Term
What is the most common cause of hyperpituitarism? |
|
Definition
|
|
Term
What is a classic sign of acromegaly? |
|
Definition
|
|
Term
How do you confirm diagnosis of acromegaly? |
|
Definition
high GH, increased insulin-like growth factor, glucose tolerance test |
|
|
Term
What are the risks of pituitary surgery? |
|
Definition
DI, CSF leak, visual impairment, incomplete tumor removal |
|
|
Term
What is the sign of a CSF leak? |
|
Definition
|
|
Term
Why should post pit surgery patients not brush their teeth? |
|
Definition
|
|
Term
What are some patient expectations post pit surgery? |
|
Definition
work 2 wks later; clots/mucous out of nose or down throat |
|
|
Term
Describe the use of sandostatin |
|
Definition
|
|
Term
What is the result of too much PTH? |
|
Definition
increase Ca, low Ph and bone weakness |
|
|
Term
What is the most common cause of primary hyperparathyroidism? |
|
Definition
|
|
Term
What two conditions cause secondary hyperparathyroidism? |
|
Definition
kidney failure and malabsorption |
|
|
Term
What is the most common cause of hypoparathyroidism? |
|
Definition
thyroid surgery where some parathyroid tissue was removed |
|
|
Term
What are the clinical manifestations of hypoparathyroid? |
|
Definition
trousseau's sign and muscle spasticity |
|
|
Term
Describe the cortisol levels in someone with Cushing's |
|
Definition
normal in the morning; higher at night |
|
|
Term
Describe the decadron test in adrenal disease |
|
Definition
decadron given at night and cortisol measured in the morning; normal= low, cushings= high |
|
|
Term
Describe the use of and cautions related to Nizoral |
|
Definition
block corticosteroid secretion; hepatotoxic |
|
|
Term
What is the purpose of a high protein diet in someone with cushing's? |
|
Definition
helps heal friable "steroid skin" |
|
|
Term
What are the signs of hypocortisolism? |
|
Definition
vomiting, dehydration, hypotension |
|
|
Term
What are some normal complaints of the patient after adrenal Sx? |
|
Definition
painful joints, pruritis, peeling skin |
|
|
Term
What is another name for primary adrenal insufficiency? |
|
Definition
|
|
Term
Describe mineralcorticoid deficiency |
|
Definition
Na deficiency and K toxicity |
|
|
Term
Which is the more dangerous of Cushing's and Addison's? |
|
Definition
Addison's; Cushing's is more common |
|
|
Term
Describe Pheochromocytoma |
|
Definition
caused by tumor on adrenal medulla that causes severe HTN; increased catecholamines (epi and norepi) |
|
|
Term
What is the function of the thyroid? |
|
Definition
convert iodine to T3 and T4 to control metabolism |
|
|
Term
The thyroid gland and production of TSH is under the control of what? |
|
Definition
|
|
Term
TSH releasing hormone and the pituitary gland are controlled by what? |
|
Definition
|
|
Term
What do T3 and T4 tests tell you? |
|
Definition
T4: overall function of thyroid T3: diseased if high |
|
|
Term
|
Definition
autoimmune toxic diffuse goiter; most common cause of hyperthyroidism; clinical manifestations: goiter, exopthalmos; low TSH |
|
|
Term
Describe the secondary cause for hyperthyroidism |
|
Definition
TSH secreting pituitary adenoma |
|
|
Term
Describe infiltrative dermopathy |
|
Definition
non pitting proteinaceous edema in pretibial area; associated with Grave's |
|
|
Term
What are the conservative measures for treating exopthalmos? |
|
Definition
elevate head at night, glasses, eyedrops, cool compress |
|
|
Term
What are 3 meds used to treat hyperthyroidism? |
|
Definition
PTU, methimazole and iodine |
|
|
Term
What is the main drug used to treat hypothyroidism? |
|
Definition
|
|
Term
What is the purpose of using beta blockers and Ca blockers to treat hyperthyroidism? |
|
Definition
reduce tachycardia; Ca for those who can't tolerate beta blockers (lung effects) |
|
|
Term
What can lead to an episode of thyroid storm? |
|
Definition
infection, trauma, surgery DKA, pre-eclampsia |
|
|
Term
What are the symptoms of a thyroid storm? |
|
Definition
fever, weakness, restlessness, mood swings, n/v/d |
|
|
Term
How do you treat hypothyroidism? |
|
Definition
address cause, give thyroxine |
|
|
Term
Describe primary hypothyroidism |
|
Definition
commonly caused by Hashimoto's thyroiditis, due to disease in thyroid, increased TSH |
|
|
Term
Describe secondary hypothyroidism |
|
Definition
hypothalamus does not make enough TRH |
|
|
Term
Describe hypothyroidism in the elderly |
|
Definition
non-specific geriatric symptoms; confusion, anorexia, muscular aches and weaknesses; may mimic dementia or parkinsons |
|
|
Term
|
Definition
life threatening; coma with extreme hypothermia, seizures and respiratory depression |
|
|
Term
What are the dietary considerations for someone with hypothyroidism? |
|
Definition
High fiber and stool softeners |
|
|
Term
Describe the treatment plan for myxedema coma |
|
Definition
IV fluids, thyroxine, corticosteroids |
|
|
Term
What is the classic triad of PE? |
|
Definition
dyspnea, chest pain and hemoptysis |
|
|
Term
Describe the labs seen in someone with PE |
|
Definition
hypoxemia and uncompensated respiratory alkalosis or acidosis (large) with positive D dimer |
|
|
Term
Describe contrast induced nephropathy |
|
Definition
increase >25% or .5mg in creatinine |
|
|
Term
What is the widely accepted indication for fibrinolytic therapy? |
|
Definition
persistent hypotension due to acute PE |
|
|
Term
|
Definition
ventilatory failure; PaCO2>48 and pH>7.35 |
|
|
Term
Describe paradoxic breathing |
|
Definition
abs and chest move in opposite manner from max effort of accessory muscles |
|
|
Term
Describe the use of the end tidal CO monitor |
|
Definition
sensor that changes color when exposed to CO2; purple= low, tan= some, yellow= normal used to verify ETT placement |
|
|
Term
If a patient is breathing on their own but need a humidified airway what do you use? |
|
Definition
|
|
Term
Inhalation occurs due to what? |
|
Definition
negative intra-thoracic pressure |
|
|
Term
|
Definition
damage to pulmonary tissue from positive pressure ventilation |
|
|
Term
|
Definition
similar to iron lung; creates negative pressure to the external chest, used in patients with muscular disorders |
|
|
Term
|
Definition
positive end expiratory pressure; postive pressure in airway after expiration; helps facilitate gas exchange in alveoli |
|
|
Term
Volume cycled PPV is often used with what population? |
|
Definition
adults and older children |
|
|
Term
What is the normal range for PEEP? |
|
Definition
|
|
Term
DEscribe synchronized intermittent mandatory ventilation |
|
Definition
SIMV; ventilator breathes in synchrony with patient at prescribed rate. Patient can breathe independent of ventilator |
|
|
Term
|
Definition
used to prevent pressure at end of exhalation from being 0; used on patients breathing on their own |
|
|
Term
|
Definition
acute respiratory distress syndrome; hypoxic despite O2 therapy, dyspnea, decreased pulmonary compliance, respiratory acidosis |
|
|
Term
|
Definition
anything that injures the lungs; septic shock is the most common |
|
|
Term
After checking the patient, what do you check if there's an abnormal heart rhythm? |
|
Definition
|
|
Term
How do you know if a dysrhythmia is supraventricular or ventricular? |
|
Definition
QRS width; narrow= above ventricles, wide= ventricles |
|
|
Term
What meds treat fast supraventricular rhythms? |
|
Definition
Ca channel blockers (diltiazem), beta blockers, amiodorone (long term) |
|
|
Term
What vagal maneuvers can be used to treat fast supraventricular rhythms? |
|
Definition
cough, carotid massage, diving reflex |
|
|
Term
What is the function of digoxin? |
|
Definition
slows and strengthens the heart |
|
|
Term
What med for fast supraventricular rhythms is pushed quickly? |
|
Definition
|
|
Term
define ventricular ectopy |
|
Definition
|
|
Term
What is the first choice drug for symptomatic bradycardia? |
|
Definition
|
|
Term
What are the causes of treatment for Premature Atrial Contractions (PACs)? |
|
Definition
caffeine, COPD; remove cause/nothing |
|
|
Term
What can cause atrial flutter? |
|
Definition
|
|
Term
Describe the treatments for types of AV block? |
|
Definition
1st: monitor patient 2nd1: likely caused by digoxin, monitor, 2nd2: pacemaker, 3rd: pacemaker |
|
|
Term
What is the treatment for ventricular dysrhythmias (PVCs)? |
|
Definition
monitor if lasting less than 6 mins; lidocaine, amiodarone |
|
|
Term
What electrolyte replacements are made for someone with PVCs? |
|
Definition
|
|
Term
What is the front line drug for ventricular dysrhythmias? |
|
Definition
lidocaine; bolus followed by drip |
|
|
Term
Describe the use of amiodarone to treat ventricular dysrhythmias |
|
Definition
daily use can treat asymptomatic patients; bolus followed by infusion |
|
|
Term
Describe the care plan for pulseless V tach/ V fib |
|
Definition
call code, CPR, use defibrillator asap, epi is used 1st for vasoconstirction (blood flow to heart and brain). Vasopressin is alternate |
|
|
Term
What are two common causes of torsades de pointes? |
|
Definition
hypomagnesemia and hypokalemia; special v tach |
|
|
Term
What is the treatment plan for asystole? |
|
Definition
|
|
Term
What are the 6 Hs the cause pulseless electrical activity? |
|
Definition
Hypoxia, hypovolemia, hypothermia, H+ ions, hypokalemia, hyperkalemia |
|
|
Term
What are the 5 Ts that cause pulseless electrical activity? |
|
Definition
Tablets (overdose), tamponade, tension pneumo, thrombosis (coronary and pulmonary) |
|
|
Term
a prolonged PR interval indicates what? |
|
Definition
|
|
Term
How does adenosine work in treatings SVT? |
|
Definition
causes transient heart block in the AV node |
|
|
Term
Administration of what are considered priority in treating tachycardia? |
|
Definition
|
|
Term
Adenosine does not work for what kind of tachycardia? |
|
Definition
|
|
Term
Describe obstructive shock and its causes |
|
Definition
obstructions reduces CO; pericardial tamponade, tension pneumo, SVC syndrome, PE |
|
|
Term
Describe hypoadrenal shock |
|
Definition
water and Na loss from adrenal issues causes hypovolemia |
|
|
Term
What are the signs of obstructive shock? |
|
Definition
JVD, hepatomegaly, peripheral edema |
|
|
Term
Lactic acid is created in what stage of shock? |
|
Definition
|
|
Term
At what point is a patient less likely to recover from shock? |
|
Definition
stage 4; failure of one organ system effects others |
|
|
Term
Describe the clinical manifestations of shock |
|
Definition
BP, urine output and CO decrease, increase HR and RR, vasoconstriction |
|
|
Term
Describe the treatment plan for cardiogenic shock |
|
Definition
restrict fluids, give diuretics, give vasoactive meds |
|
|
Term
What are the fluid resuscitation guidelines for hypotension and shock? |
|
Definition
10ml/kg hypotension; 20ml/kg shock (high LA) |
|
|
Term
What is the function of low dopamine doses? |
|
Definition
help restore blood flow to low priority areas |
|
|
Term
What is the dosage range for dopamine to treat shock? |
|
Definition
|
|
Term
What is the purpose of dobutamine? |
|
Definition
inotropic; causes heart to pump more efficienctly |
|
|
Term
What is the function of nipride? |
|
Definition
vasodilator; reduces afterload so make it easier for the heart to empty |
|
|
Term
Describe central venous pressure |
|
Definition
pressure of blood as it returns to the heart |
|
|
Term
What are the goals for central venous pressure? |
|
Definition
|
|
Term
Describe pulmonary artery wedge pressure and give the normal range |
|
Definition
preload/filling pressure (volume); 7-12 |
|
|
Term
Describe LV and normal ranges |
|
Definition
preload of left heart; 7-12 |
|
|