Test 2 Flashcards
causes of microcytic anemia
iron deficiency anemia, anemia of chronic disease, thalassemia, sideroblastic anemia
causes of normocytic anemia
anemia of chronic disease, acute blood loss, hemolytic anemia, aplastic anemia
causes of macrocytic anemia
folate deficiency, vitamin B12
this affects the formation of hemoglobin
iron
Iron supplement or replacements are contraindicated for anemia associated with
thalassemia
patients with excessive iron are encouraged to
drink tea
anemia of chronic disease is though to be a
reduction in RBC production and shorter RBC lifespan
pica for ice is a common symptom of
iron deficiency anemia
Rheumatoid arthritis relation to anemia
meds for it can cause bone marrow suppression
patients who have mononucleosis can develop a rash if given
amoxicillin
difference in prognosis in children and adults with idiopathic thrombocytic purpura
develops after a viral infection or allergic reaction in children is has a spontaneous recovery
causes of thrombocytopenia
mono, H.pylori, liver disease, alcohol, vitamin B12 and folate deficiency, RA, SLE, pregnancy
atbx that can cause thrombocytopenia
PCN, sulfa, fluconazole
CV drugs that can cause thrombocytopenia
digoxin, HCTZ, statins
GI drugs that can cause thrombocytopenia
pepcid, ranitidine (Zantac), cimetidine (Tagamet)
neuro drugs that can cause thrombocytopenia
anticonvulsants
Drug that decreases effect of Plavix
PPI
the action of aspirin and NSAIDs
inhibit COX enzyme from releasing prostaglandins
aspirin and NSAIDs can cause GI irritation as it affects
COX1 that protects gastric mucosa
why ASA is preferred over iburpofen for heart attack prevention
aspirin irreversibly inactivates COX and thromboxane for the life of the platelet, while ibuprofen only inactivities it for the drug’s halflife.
blood smear in leukemia
high blast cells and decreased neutrophils and platelets
presence of this on a blood smear is abnormal and should be referred to a heme-onc
blast cells
cause of neonatal jaundic
increased turnover of RBCs produces more bilirubin
breast milk jaundice occurs
first 3-5 days of life and peaks within 2 weeks
breast milk jaundice
infant is normal, and breastfeeding should not be stopped.
s/s of lead poisoning
behavioral and developmental issues, hemolytic anemia, abd pain
lead poisoning effect on vitamin D
inversely related; high lead can cause effects in bone and tooth development in kids
high levels of this is associated with heart disease
homocysteine
folic acid deficiency may cause
heart disease
folic acid reduces the amount of
homocysteine
ACD is common in those with
RA
ACD is marked by low ____ but normal or elevated ____
serum iron; total iron stores
iron stores in IDA and ACD
low in IDA and normal in ACD
life threatening condition resulting from bone marrow stem cell failure
aplastic anemia
meds associated with aplastic anemia
PCN, cephalosporin, sulfa, antidepressants, NSAIDs, anticonvulsants
diagnostic for aplastic anemia
low WBC, platelets, RBCs
treatment for children and younger patients with aplastic anemia
bone marrow transplant
treatment for adults > 40 with aplastic anemia
immunosuppresion therapy
toxins associated with aplastic anemia
insecticides, benzene
G6PD is usually precipitated by
infection or drug
G6PD is a
X-linked recessive disorder
meds that can precipitate G6PD deficiency
sulfa, aspirin, nitrofurantoin, Bactrim, fava beans
screening test for G6PD in an acute hemolytic event
may be negative for several weeks
factor VIII deficiency
hemophilia A
factor IX deficiency
hemophilia B
inheritance of hemophilia
x-linked recessive and only affects males
treatment for von willebrand disease
desmopressin
diagnostics of von willebrand disease
normal PT and aPTT, decreased vWF antigen
diagnostics for hemophilia
normal PT & thrombin, prolonged pTT
trx for hemophilia
desmopressin
most common gene mutation leading to VTE
factor V leiden
treatment for DVT
heparin & LMWH, then Warfarin for 3 months
marker of hemoglobin catabolism
bilirubin
direct cellular injury results in
high serum LDH
conditions that increase reticulocyte counts
hemolytic anemia, acute blood loss, hypersplenism, after trx of iron, folic acid, or vitamin B12
conditions that decrease reticulocyte counts
iron deficiency anemia, aplastic anemia, megaloblastic anemia
reflects total body iron stores
serum ferritin
first lab value to become abnormal when iron stores are becoming depleted
serum ferritin
Serum ferritin levels are ____ in iron deficiency anemia and ______ in anemia of chronic disease.
low; normal or elevated
reflects the amount of iron bound to transferrin
serum iron concentration
variation in RBC size
Anisocytosis
variation in RBC shape
Poikilocytosis
chief cause of anemia in children less than 1
iron deficiency anemia
iron studies in iron deficiency anemia
low iron, low ferritin, low transferrin, high TIBC, low reticulocyte count
s/s of anemia
fatigue, conjunctival pallor, brittle nails, tachycardia, cold intolerance
measure of the variability of the RBC size
RDW
education about iron supplementaion
take 1-2 hours before meal on empty stomach,
Don’t take with antacid or dairy
Keep out of reach of children- toxic
causes an overproduction of specific chains in the Hgb molecule causing hemolysis
thalassemia
very severe form of thalassemia and rarely live into adulthood
Cooley’s (Major) anemia
thalassemia is
autosomal recessive
labs for thalassemia
microcytic, hypochromic anemia with normal ferritin
trx for thalassemia
prevent iron overload
common sign of lead poisoning in adults
peripheral neuritis
diagnostic of lead poisoning
lead level > 10, anemia, high creatinine
connects muscle to bone
tendon
connects bone to bone
ligament
presence of howell-jolly bodies in
sickle cell
important for those with sickle cell to recieve
folic acid supplementation
common complications of sickle cell
stroke, heart disease, renal failure, skin ulcers
vitamin B12 absorption cannot occur without
intrinsic factor
s/s of pernicous anemia
disorientation, N/T, abnormal reflexes
those with vitamin B12 deficiency will also have these elevated
homocysteine and MMA
dietary changes for vitamin B12 deficiency
increase protein
Trx for vitamin B12 deficiency
vit B12 1000 mcg IM once a day for a week, then weekly for a month, then monthly for life.
those with pernicious anemia should also have
endoscopy every 5 years
atrophic glossitis is present in
vitamin B12 and folic acid deficiency
vitamin B12 and folic acid deficiency has ___ Hgb, ___ Hct in, and ___ MCV in
normal; low; high
food high in folic acid
green leafy veggies
in neonatal hyperbilirubinemia, there is an accumulation of
unconjugated bilirubin
risk factors for neonatal hyperbilirubinemia
prematurity, Rh and ABO incompatibility
s/s of neonatal jaundice
appears on head first then progresses down, resolve in opposite direction
elevated bilirubin can be
neurotoxic
trx for neonatal jaundice
increase breastfeeding, phototherapy
Rh incompatibility occurs with a
Rh- negative mom and Rh- positive fetus
s/s of Rh incompatibility
jaundice, anemia, hydrops fetalis
In Rh incompatibility, the ___ Coombs is positive in the mom and the ____ Coombs is positive in the infant
indirect; direct
RhoGAM is given to Rh-negative mothers at
28 weeks, 72 hours after delivery of Rh+ infant, after ectopic pregnancy
does not eliminate the possibility but decreases likelihood
RhoGAM for Rh incompatibility
when all other causes of thrombocytopenia must be r/o
ITP
acute ITP occurs in
children 2-9
chronic ITP occurs in
those more than 50 y/o
in ITP the peripheral smear shows
megathrombocytes
a marked abnormality and uncontrolled production of the immature leukocytes.
acute lymphocytic leukemia (ALL)
common symptoms of leukemia
lymphadenopathy, hepatosplenomegaly, joint and bone pain/swelling, bleeding
common in lab results for CML
high eosinophils and basophils
hallmark in diagnosis of CML
philadelphia chromosome
cardinal sign of patients with CML
splenomegaly
presence of Reed-Sternberg cells
Hodgkin lymphoma
manifested as painless lymphadenopathy
hodgkin lymphoma
peak incidence of hodgkin lymphoma
in 20s and then again in 60s
peak incidence of nonhogkin lymphoma
60s
trx for breastfeeding jaundice
stop for 12-24 hours then resume
Progressive degenerative joint process of the articular cartilage and subchondral bone
osteoarthritis
most common joints affected in OA
hands, fingers, cervical and lumbar spine, hip, knee
symptoms of OA
stiffness/pain in morning and after activity for
When OA involves the cervical and lumbar spine, this can develop
neuropathy and radiculopathy
OA in the hands are characterized by
Heberdens (DIP) and Bouchards (PIP)
diagnostic for OA
r/o RA (ESR, RF, CCP), xray
trx for OA
Tylenol
risks for COX2 NSAIDS
increase in cardiovascular risk and SJS
Patients treated with NSAIDs should be monitored for changes in
renal and liver function
example of COX2 selective NSAIDS
Mobic and Celebrex
How often to given intra-articular corticosteroid injections for arthritis
no often than every 3-4 months
autoimmune disorder characterized by inflammation and thickening of synovial membrane
RA
these must be present for at least 6 weeks to diagnose RA
morning stiffness > 1 hour, swelling or 3 or more joints, swelling of at least 1 joint in wrist or hand
s/s of RA
weakness, weight loss, painful/tender joints, morning stiffness > 1 hour
In RA, joint swelling is
symmetric
also commonly diagnosed with RA
Sjogren’s syndrome (dry eyes and mouth)
A good measure or RA’s activity
ESR
a synovial fluid in RA will reveal
high WBC count with poor viscosity
Give this with DMARDs to reduce liver toxicity
folate
high risk of this with RA
cardiovascular disease
when passive and active ROM are limited with gradual onset of shoulder pain
adhesive capsulitis (frozen shoulder)
Severe acute shoulder pain with restricted movement in an active athlete or laborer is likely
calcific tendinitis
patients with rotator cuff tear with show marked weakness in
abduction and internal rotation
Clinical test to help dx for rotator cuff tear
drop arm test and empty can test
erythema and fever with shoulder pain suggest
septic arthritis
rotator cuff tear is common in
those older than 40
Shoulder arthritis is characterized by gradual onset and progression of
pain at rest, aggravated by movement, and loss of motion
Stenosing tenosynovitis
trigger finger
a nodule or thickened tendon that impedes tendon movement
trigger finger
diagnostic for trigger finger
have patient try to extend finger, a pop should be felt and should be painful
trx for trigger finger
splinting, NSAIDs, steroid injection, surgery
seen in new parents who frequently lift their child using wrist strength alone.
deQuervain’s tenosynovitis
Finkelstein test helps to diagnose for
deQuervain’s tenosynovitis
deQuervain’s tenosynovitis trx
splinting and NSAIDs
palmar fibrosis
Dupuytren’s contracture
Any contracture of more than ____ degrees should be referred to a hand specialist
30
carpal tunnel syndrome is best described as
medial nerve entrapment
risk factors for CTS
pregnancy, menopause, arthritis, diabetes, HTN, hypothyroidism
In CTS, the patient reports N/T to the
thumb, index, middle, and medial part of ring finger
When the patient may describe an inability to hold objects or tendency to drop things, suspect
CTS
clinical test for CTS
Tinel (tap on median nerve), Phalen (press hands together)
cubital tunnel syndrome is nerve entrapment to the
ulnar nerve
In cubital tunnel syndrome, there is N/T to the
ring and pinky finger
Lateral epicondylitis
tennis elbow
medial epicondylitis
golfer’s elbow
clinical test for tennis elbow
apply pressure to force wrist into flexion while patient extends wrist
clinical test for elbow sprain
applying valgus stretch to forearm with elbow flexed
s/s of ulnar neuritis
sensory loss of pinky, diminished motor and grip strength
loss of blood supply and subsequent death of subchondral bone tissue; it is often r/t trauma, alcohol intoxication, sickle cell anemia, or corticosteroids.
avascular necrosis
diagnostic for avascular necrosis
MRI
can cause rapid onset hip pain and fever
infection or septic arthritis
s/s of hip fracture
inability to bear weight, extremity externally rotated
Lachman test
flex knee, push down on femur while pulling on tibia
Lachman tests for
ACL tear
important teaching for ACL tears
strength quad muscle
McMurray tests for
meniscal tear
McMurray test
Place hand on heel and other on knee. Rotate the heel and apply valgus stress to knee. + if click is heard
Apley tests for
meniscal tear
Refers to knee pain that is localized to the anterior portion of the knee.
patellofemoral pain syndrome (runner’s knee)
trx for runner’s knee
exercises that doesn’t stress quad (bicycling, swimming)
treat for LBP
ice for 48 hours then heat for several days, increase functional movements for rapid recovery
result from a tearing of the ligaments that bind the joint.
sprains
result from an overstretching or overuse of muscles.
strains
risk factors for osteoporosis
estrogen deficiency, hypothyroidism, steroids, sedentary lifestyle
how to test for knee effusion
ballottement test: apply firm pressure to patella, if a click is heard, and effusion is present
meds that can cause gout
ASA, nicotinic acid, diuretics, cyclosporine
diagnostic for acute gout
ESR and WBC, uric acid not helpful
used to increase excretion of uric acid
colchicine and probenecid acid
decreases production of uric acid
allopurinol
Avascular necrosis of the femoral head found in 4-8 year old boys.
Legg Calve Perthes disease
s/s of legg calve perthes disease
progressive groin pain with limp
Slipped capital femoral epiphysis is common in
11-14 year old obese boys
Severe hip, thigh, or knee pain associated with a limp in obese boys
Slipped capital femoral epiphysiS
s/s of fibromyalgia
widespread MS pain, nonrestorative sleep, depression, IBS
pain on this number of trigger points is needed to dx fibromyalgia
11 out of 18
trx for fibromyalgia
tricyclic, SSRIs, gabapentin, lyrica
education regarding biphosphonates
avoid lying for 30-60 min after taking
there is no evidence that supports taking biphosphonates for more than
5 years
patellar tendinosis and traction apophysitis
Osgood-Schlatter disease
Osgood-Schlatter disease is common in
adolescent boys and girls who play sports
important teaching for Osgood-Schlatter disease
quad strengthening and stretching
repetitive overhead activities are a risk factor for
rotator cuff tear
in rotator cuff tear there is ____ active ROM and ____ passive ROM
decreased; normal
labs in ALL
low platelets, anemia, low neutrophils, high lymphocytes, high LDH, high uric acid
different b/t ALL and CLL
ALL has accumulation of immature lymphocytes where CLL has accumulation of mature but incompetent lymphocytes
blood smear in CLL shows
ruptured lymphocytes “smudge” cells
blood smear in ALL shows
blast lymphocytes
which form of lymphoma is more treatable?
Hodgkin’s lymphoma
in a patient with neonatal jaundice, it would be appropriate to screen for this
G6PD deficiency
meds that can cause hemolytic anemia
macrobid, urocid, and pyridium
most common cause of microcytic anemia is
bleeding
NSAID effect on kidney
inhibits prostaglandin which prohibits vasodilation, thus decreasing blood flow to kidneys
regular NSAID use should be avoided in patients taking
baby ASA for CV disease
intoeing is self-limited and usually resolves by age
5
most common cause of intoeing
metatarsus abdcutus
intoeing causing by internal rotation of the tibia
tibial torsion
exercises used to stretch and strengthen the lumbar
williams flexion exercises
Gower’s sign indicates that there is
weakness to proximal muscles and seen in DMD
used only as a preventative medication but not as a treatment during acute attacks of gout
allopurinol
allopurinol is excreted through the
kidneys
febuxostat is excreted through the
liver
when should uric acid lowering meds be started
4-8 weeks after acute gout attack
HRT has been approved for…
prevention of osteoporosis but not for trx
major cause of kyphosis is
low bone density
compression of the interdigital plantar nerves
morton’s neuroma
Mulder’s sign
tests for morton’s neuroma. compress foot and applying pressure b/t 3rd and 4th toe. a click heard is positive.
trx for morton’s neuroma
wearing wider shoes, using pads to separate toes, NSAIDS
labs for DMD
high CK
vaccine that can cause thrombocytopenia
MMR
imaging should be done if there has been LBP for more than
6 weeks
The RDW is ____ in iron deficiency anemia and ____ in thalassemia
high; normal
In trendelenberg test, the affected leg is
raised higher and the unaffected leg sags
transient synovitis of the hip occurs in
children 3-8 years old
cause of transient synovitis of the hip is
viral illness
when the patient has obligatory external rotation of the hip during flexion
SFCE
In SFCE, the pain is often referred to
the knee
diagnosing SFCE
it will appear normal on a AP view, but appear abnormal on an AP frog-leg lateral view
when knees point toward the midline
genu valgum
when knees point outward
genu varum
radial head sublaxation
nursemaid’s elbow
cause of nursemaid’s elbow
parents pulling kids by wrist