Content 2 Flashcards
Most common site of OA
Distal interphalangeal joint
Peak age of RA
20-40 years
40% of deaths in RA due to
CV causes: stroke
Initial dx tests for RA
ANA, ESR, CRP, ACPA, RF
Most sensitive lab marker for SLE
ANA
Risk factors when on biologics
Increased risk of infection
-Get immunized!
Meniscal tear
Popping sound
McMurray + Apley test are positive
Squatting and kneeling are impossible
Consider aspiration if no improvement after 2-4 weeks of RICE
Consider arthroscopy if no improvement in 4-6 weeks
Acroparesthesia
Awakening at night with numbness/burning in fingers
Carpal tunnel
Sarcoidosis
Inflammatory condition that results in production of noncaseating granulomas, predominantly in lungs, lymph nodes, eyes, skin
Fever, fatigue, anorexia, arthralgias, dyspnea on exertion, cough, chest pain, rash, color change and nodules under skin, blurred vision, eye pain, sensitivity to light, red eyes
Dx: biopsy of bronchial
Tx sarcoidosis
Mild: NSAIDS
Steroids are mainstay of tx
Other: hydroxychloroquine, methotrexate, azathioprine, infliximab
Risk factors for low back pain
Increasing age, overactivity, overweight, obese, spinal stenosis, scoliosis
most common cause of lower back pain
Lumbosacral strain
-Sx: stiffness, spasm, decreased ROM, sitting increases pain
Risk factors for lumbar radiculopathy
Smoking, DM, spinal infection, obesity, male, increased age
Most common site for lumbar disk herniation
L4-L5, L5-S1
Cause of sciatica
Herniated disk, spinal stenosis, compression fracture
Most common site for cervical disk lesion
C6-C7
Reiter syndrome
Reactive arthritis
Acute nonpurulent arthritis complicating an infection elsewhere in the body
Requires 2+ of following: asymmetrical oligoarthritis, dactylitis (sausage shaped finger), enthesitis (toe or heel pain), cervicitis, prostatitis, acute diarrhea, conjunctivitis, urethritis
-Usually seen days to weeks following acute bacterial diarrhea caused by shigella, salmonella, campylobacter or chlamydia
-HLA B27+
-Tx: NSAIDs, steroids, TNF blockers (etanercept or inflximab), steroid injections
Osteoporosis screening
> 65 with DEXA scan
Long term use of biphosphonates can cause
Atypical femoral fractures
Tendinosis
Degradation of tendon’s collagen due to overuse
-NSAIDs and steroids my inhibit repair
most common sites of tendonitis
Rotator cuff, elbow, biceps, wrist, heel
Benefits of vitamin D
Minimizes abnormal cell proliferation, increases insulin secretion, immunomodulaes and increases renin
-Need 3000-5000IU per day
Drugs that are Vitamin D depleting
Phenytoin and phenobarb
Hormonally active form of Vitamin D
1,25-Dihydroxyvitamin D
Preferred blood test for Vitamin D
Serum 25-hydroxyvitamin D
-Preferred minimum: 34-40
Raynaud’s
Paroxysmal digital vasoconstriction that results in bilateral symmetrical pallor or cyanosis
- Tobacco exacerbates
- Dihydropyridine CCB and ACEI can be used as tx for vasodilator effect
Secondary Raynaud’s
Due to atherosclerosis, collagen vascular disease, scleroderma
Vessel most commonly affected by varicose veins
Saphenous vein
Virchow triad
Hypercoagulability, Stasis/turbulence, endothelial injury
Risk factors for superficial thrombophlebitis
Local trauma, prolonged travel or rest, varicose veins, history of estrogen use, pregnancy, 6 weeks postpartum
Tx: warm packs, compression hose, NSAIDs, ambulation
1st line dx for DVT
Compression duplex ultrasound
If healthy person has DVT, what labs to do
Protein S and C, antithrombin III, fibrinogen, lupus anticoag, factor V Leiden, prothrombin mutation
Direct thrombin inhibitors
Dabigatran
Caution with renal dysfx
Direct factor Xa inhibitors
Rivaroxaban
Risk factors for arterial occlusive disease
DM, htn, hyperlipidemia, tobacco use
Claudication
Caused by inability of diseases vessel to vasodilate during activity
First line dx for arterial occlusive disease
Doppler US
Tx arterial occlusive disease
Aspirin, Beta blockers, statins, DM meds, clopidogrel
Earliest sign of chronic venous insufficiency
Lower extremity edema
-Develops into thin, shiny, atrophic skin with brown pigmentation
insulin resistance is correlated with
Gout, PCOS, acanthosis nigricans, LGA, prothrombotic state
FBG screening
Recommended every 3 years >45 years
A1C test best measures glucose control in the past
28-42 days
Short acting, rapid onset insulin
Lispro, Aspart, Glulisine
15-30 mins onset
1-2 hour peak
3-6 hour duration
Short acting, regular insulin
Humulin R, Novolin R
30 min-1 hour onset
2-3 hour peak
4-6 hour duration
Intermediate insulin
Humulin N, Novolin N
1-2 hour onset
6-14 hour peak
16-24 hour duration
Long acting insulin
Glargine (Lantus), Detemir
1 hour onset
No peak
12-24 hour duration
Pre-diabetes labs
FBG 100-125
Random glucose 140-199
A1C 5.7-6.4
Most common drug combo for type 2 DM
Metformin + Sulfonylurea
Metformin
Improves insulin mediated glucose uptake and fibrinolysis
SE: GI distress, rare lactic acidosis
CI: renal impairment, HF, age >80
D/C day of surgery or radicontrast use
Sulfonylureas
Glipizide, glyburide, glimepiride
Increases insulin release
Less effective after many years of use
Thiazolidinediones
Glitazone
Increases insulin sensitizing in muscles
Rare risk of hepatic toxicity: monitor ALT
Risk of edema: CI in HF
Do not use with insulin or nitrates
GLP1 agonist
Exanatide, Liraglutide
Stimulates insulin production in response to increased plasma glucose; inhibits postprandial glucagon release; slows gastric emptying
SE: N/V
CI: Gastroperesis
DPP4 inhibitor
Gliptin
Increases levels of incretin; increases release of insulin and decreases glucagon
Monitor for pancreatitis
SGLT2 inhibitor
-Flozin
Decreases renal glucose threshold by increasing urinary glucose excretion
Alpha glucosidase inhibitors
Acarbose
Decreased intestinal carb absorption by decreasing postprandial absorption
CI: IBD, impaired renal function
Somogyi effect
Insulin induced hypoglycemia triggers excess secretion of glucagon and cortisol, leading to hyperglycemia in the morning
-Decrease night time dose of insulin
Dawn phenomeon
Decreased insulin sensitivity between 5 and 8am due to spikes in growth hormone causing hyperglycemia
-Increase insulin at night
Metabolic syndrome
Central obesity Triglycerides >150 HDL <35 men and <39 women BP >140/90 Microalbuminuria
Exertional heat stroke
Illness has been triggered by exercise in a warm environment that adds to thermal load produced by muscular contraction
Non-exertional heat stroke
Extreme temp >10 degrees more than is typical for 3 days
-Affects infants and elderly
Risk factors for heat stroke
TCAs, beta blockers, vasoconstrictors
-Negate body’s natural attempts to decrease core temperature (increasing CO and vasodilation)
Early heat stroke sx
Increased HR, pounding HA, difficulty breathing
Labs in heat stroke
Increase in CK, hyperkalemia, transient polycythemia due to volume constriction, hyponatremia, stress induced leukocytosis
Most serious complication of heat stroke
Rhabdo
Orlistat
Take with meals
Decreases dietary fat absorption by 30%
SE: loose stools
Meds that can cause weight gain
Atypical antipsychotics, some antiepileptics, steroids
Meds that can cause thyroid disorder
Iodide, amiodarone, lithium, interferon alpha, IL2
Menstrual changes in thyroid disorders
Hyper: amenorrhea
Hypo: menorrhagia
Most helpful test to confirm abnormal TSH
Free T4
Most common cause of hypothyroid
Hashimotos thyroiditis
Diffusely enlarged, firm thyroid with fine nodules, neck pain and tightness
-TPO antibodies present
Most common cause of hyperthyroid
Graves
Diffuse enlargement of thyroid, exopthalmos, nervousness, tachycardia, heat intolerance
Recommended testing interval when adjusting thyroid meds
6-8 weeks
How much can you decrease LDL with diet alone
5-10%
4 target groups for statin benefits
Clinical ASCVD
LDL >190
DM and LDL 70-189
10 year risk >7.5%
High intensity statins
Atorvastatin 40-80
Rosuvastatin 20-40
Moderate intensity statins
Simvastatin 20-40
Atorvastatin 10-20
Pravastatin 40-80
Rosuvastatin 5-10
Cortisol effects
Maintains glucose control, decreases immune response, helps body respond to stress
Aldosterone effects
Regulates Na/K balance
Addison disease
Adrenal insufficiency
Do not produce enough cortisol or aldosterone
Sx: chronic diarrhea, N/V, loss of appetite, patchy skin, muscle weakness, fatigue, slow movements, hypoglycemia, decreased BP, fainting, salt craving
Tx: steroids and Na
Cushing syndrome
Increased cortisol
Most common cause: long term steroid use
Weight gain + fatty tissue deposits (buffalo hump and moon face), striae, thinning skin, slow healing of cuts, fatigue, anxiety, depression, glucose intolerance, hirsutism
-For endogenous causes, surgery is primary tx choice
Cushing disease
Due to benign tumor on pituitary gland overproducing ACTH
Pre-renal azotemia due to
Hypoperfused kidneys due to dehydration, acute blood loss, decreased CO, burns
Post-renal azotemia due to
obstruction to urine flow
-Uncommon
Labs in renal failure
hyperkalemia, hypercalcemia, hypernatremia
EPO decreased–leads to normocytic, normochromic anemia with decreased reticulocyte count
Glomerulonephritis
inflammation of the glomeruli in the kidneys
Sx: pink or cola colored urine due to hematuria, foamy urine due to proteinuria, htn, edema, anemia
-UA shows RBC and RBC casts, WBC and increased protein
-Kidney biopsy needed to confirm dx
-Tx: antihypertensives, antimicrobials if infection suspected, steroids
Pyelonephritis sx
Back pain, fever, N/V
Hemorrhage cystitis
Large quantities of visible blood in the urine due to infection, radiation or chemo
- Irritative voiding sx reported
- Adenovirus is a common cause and is self limiting
UA in UTI
Leukocyte esterase, nitrities, protein, blood
Nitrite + leukocyte esterase = G-
>10^5 CFU dx for UTI
Topical estrogen and UTI
Can restore natural flora and decrease UTI risk
UTI prophylaxis
> 2 UTI within 6 months or >3 UTI within 12 months
Daily Bactrim for prophylaxis
Risk factors for bladder cancer
Smoking, family history, male, arsenic exposure, cyclophosphamide, pioglitazone
-Sx: gross, painless hematuria, irritative voiding sx without fever
Urge incontinence
Overactive bladder
Most common form of incontinence in elderly
Tx: toilet training, decrease fluid intake; anticholinergics–oxybutynin, tolterodine, solifenacin succinate, farifenacin, fesoterodine
Alt meds: mirabegron, botulinum toxin
Stress incontinence
Weakness of pelvic floor and urethral muscles
Most common form in women
Loss of urine while coughing, sneezing and exercising
Tx: kegal exercises
Risk factors for kidney stones
Men, family history, poor fluid intake, dehydration, increased protein and sodium and sugar diets, overweight
Meds that increase risk of kidney stones
Diuretics, antacids, indinavir, topiramate
Meds for kidney stones
Alpha 1 blocker can be used to relax the muscles in the ureter to pass the stone
Anemia sx
Usually only occur when hgb <10
Fatigue, HA, decreased exercise tolerance, poor school performance, learning difficulties
-Early sytolic murmur may occur
Anisocytosis
Variation in RBC size
Increased if <15%
Poikilocytosis
Variation in RBC shape
Normal body response to anemia
Reticulocytosis
Iron deficiency anemia labs
Early: decreased hgb, htc, total RBC, RDW >15%, decreased ferritin
Typical adult dose of Fe
50-60mg BID 3-6 months
What increases absorption of Fe
Vitamin C
Folic acid deficiecy
Increased homocysteine and normal MMA
Tx: 1mg/day
Levels usually return to normal in 1 month
Vit B12 deficiency
IM 100mcg monthly or PO 1000mcg/day
Usually resolves in 2 months
If neuro issues >6 months, most likely permanent
Epi dosage for anaphylaxis
0.3-0.5mg adult or 0.01mg/kg child
Give in vastus lateralis (lateral thigh)
Repeat every 5-15 minutes up to 3 injections
Alcohol withdrawal
Typically starts 12 hours after last drink and peaks at 24-48 hours
Sx: anxiety, depression, fatigue, irritability, jumpiness, mood swings, nightmares
Delirium tremens most serious presentation
Tx: benzodiazepines, beta blockers or clonidine for the tremors
How to taper benzos
Decrease dose by 25% per week
Opioid withdrawal
Htn, tachy, diarrhea, nausea, temp dysregulation, fever, papillary dilation, restlessness, myalgia, rhinorrhea
-Not life threatening
Tx: clonidine decreases sx
Persistent depressive disorder
Low level of depression for at least 2 years in adults or 1 year in children
Adjustment disorder
Grief >1-3 months
Tx: same as major depression
Lethal dose of TCA
2 week supply in 1 dose
Lethal dose of SSR
2 month supply in 1 dose
SE SSRI
HA, nausea, diarrhea
Usually resolve in 2-6 weeks after use
If ED occurs with SSRI
Switch to Wellbutrin, SNRI or TCA
SE wellbutrin
HA, dry mouth, nausea, weight loss, insomnia
Conditions that can mimic GAD
Thyrotoxicosis, alcohol withdrawal, abuse of sympathomimetic drugs (caffeine, amphetamines, cocaine)
Benzos with lowest abuse potential
Hydrophilic (lorazapam) and long half life
Effects of progesterone in BC
Decrease ovulation by decreasing LH, thickening endocervical mucus, hampering implantation by endometrial atrophy
Effects of estrogen in BC
Ovulation inhibited by decreasing FSH and LH, and altering endometrial cell structure
Benefits of COC
Decreased rates of benign breast tumors, dysmenorrhea, menstrual volume by 60%, endometrial, ovarian and colon CA, PID rates, acne, hirsutism, cysts
Which BC methods do not interfere with AED drugs
Depo Provera and Nexplanon
Patch and ring BC
Patch replace every week
Ring replace every 3 weeks
Increased risk of blood clots
how long should you use depo
<2 years due to decreasing bone density
Vilpristal
Ella
Progesterone agonist/antagonist–direct inhibitory effect on follicular development and ovum release
Can be used up to 5 days after unprotected sex
Hormones in perimenopause
Estrogen normal and FSH elevated
Avoid hormonal therapy in women with
Hx of CV disease, breast CA, uterine CA, VTE or active liver disease
Alternartives to decrease hot flashes if HT CI
Low dose SSRI, SNRI, gabapentin
Absolute CI to HT
Unexplained vaginal bleeding, acute liver disease, thrombotic disease, endometrial CA, breast CA
Most common STI
Chlamydia
- Sx: vaginal discharge, dysuria, dyspareunia, post coital bleeding
- Incubation period 7-14 days
- Friable cervix and mucopurulent discharge
- Screen all women <25
- Tx: Azithromycin 1 dose
- Re-screen in 3 months
Gonorrhea
incubation period 1-5 days
Sx: dysuria with milky to purulent discharge
-Tx: IM ceftriaxone and PO azithromycin
Genital Herpes
HHV 2
Painful ulcerated lesion and inguinal lymphadenopathy + thin, profuse discharge sometimes
-Suppressive therapy decreases frequency of recurrence by 70-80%
PID
Endometritis, salpingitis, oophoritis
- Sx: lower abdominal pain, abnormal vaginal discharge, dyspareunia, fever, GI upset, abnormal vaginal bleeding
- Cervical motion tenderness, uterine tenderness, adnexal tenderness
- Increased ESR + CRP, Leukocytosis with neutrophilia
- Tubal thickening with or without free pelvic fluid
- Tx: Ceftriaxone IM + doxy for 2 weeks with or without flagyl
Primary syphilis
Painless genital ulcer with clean base and indurated margins and localized lymphadenopathy
Tx: Benzathine Penicillin IM
Secondary syphilis
Maculopaular rash involving palms and soles, generalized lymphadenopathy, low fever, malaise, arthralgia, myalgia
Tertiary syphilis
Gumma, aortic insufficiency, aortic aneurysm, seizures
Presbycusis
Progressive symmetric, high frequency, age related sensory hearing loss likely caused by cochlear deterioration
- Speech discrimination usually primary problem
- Limited ability to understand content of speech when in noisy environment
Presbyopia
Problems with close vision
May have perception of washed out colors, difficulty seeing under low illumination, increased sensitivity to glare
Macular degeneration
Leading cause of blindness
Loss of central vision
Hx of smoking and excessive sun exposure
Pharmacokinetics
Absorption, distribution, biotransformation (metabolism), excretion
Pharmacodynamics
What the drug does to the body
Does not change over lifetime
Age related changes in regards to pharmacokinetics
Increased 1/2 life of drug, decreased gastric acid production, decreased GI blood flow, decreased gastric motility, decreased gastric emptying, decreased GI surface area, decreased hepatic blood flow and function of enzymes, decreased albumin, decreased GFR and lean muscle mass
Risks of long term PPI use
Decreased absorption of iron, vitamin B12, etc.
Increased fractures due to decreased Ca absorption
Increased pneumonia and C. Diff
Tx urge incontinence in elderly
Tolterodine or soliferiacin or mirabegron
-Oxybutynin has systemic effects
Potentially treartable causes of urinary incontinence
DIAPPERS
Delirium, infection, atrophic vaginitis, pharm, psych, excessive urine output, restricted mobility, stool impaction
Risk factors for pressure ulcers
High levels of moisture, increased age, decreased BP, smoking, increased body temp, lack sensory perception, weight loss, incontinence, dehydration
Most common causes of delirium
DELIRIUMS
Drugs, emotional, low PO2, infection, retention of urine, ictal state, under nutrition, metabolic, myocardial problems, subdural hematoma
Tx dementia
Cholinesterase inhibitors: donepezil, tacrine, rivastigmine, galantamine, memantine
Pseudodementia
Dementia syndrome with severe depression
Stages of human pregnancy
Fertilization: zygote
Up to 2 weeks: blastocyst
2-8 weeks: embryo
8-12 weeks to term: fetus
Hegar sign
Softening of uterine isthmus
Goodell sign
Softening of vaginal portion of cervix
Chadwick sign
Blue violet vaginal color
When is uterine fundus at umbilicus
20 weeks
Recommended daily intake of iron when pregnant
1000-1300mg
Quad screen includes
AFP, HcG, Inhibin A, unconjugated estriol levels
Increased AFP can be due to
open neural tube defects, fetal nephrosis, cystic hydroma, fetal GI obstruction, omphalocele, IUGR, multiple fetus, fetal demise
Decreased AFP can be due to
Trisomy 21 and 18
Inhibin A
Produced by placenta
Increased in down syndrome
Classic teratogenic period
Between 31 and 81 days following LMP
What stage of pregnancy is bronchospasm worse for women with asthma
Between 29 and 36 weeks
NSAIDs in pregnancy can cause
premature closure of ductus arteriosus
Which SSRI is cat D
Paroxetine
Cat B abx
Amoxicillin, cephalexin, cefpodoxime, cefixime, augmentin, nitrofurantoin (Avoid after 36 weeks)
Pre-eclampsia risk factors
> 40, <16, first pregnancy with new partner, DM, collagen vascular disease, htn, family hx, multiple gestation
HELLP
Pre-eclampsia
Increased LFT
Decreased platelets
Eclampsia
Classic ectopic pregnancy triad
Abdominal pain, vaginal bleeding, adnexal mass
Tx: methotrexate or salpingostomy