High Yield
Diabetes (Type 2)
Genetic factors + increased adipocytes ➔ ↓ insulin sensitivity ➔ hyperinsulinemia ➔ ↓ insulin production ability
Polyuria, polydipsia, HHS, or manifestation complications are usually presenting sx (why screening important)
Complications: macrovascular ➔ CHD/CVD/PAD; microvascular ➔ neuropathy, retinopathy, nephropathy
DX
Sx and one random BG level ≥ 200
Fasting BG > 126 with two different tests (preDM 100-125)
GTT BG @ 2 hours > 200 (preDM 140-199)
A1c > 6.5 (preDM 5.7-6.4)
TX
Education, weight loss, diet and exercise
Start insulin if A1c >10
Can try lifestyle change if A1C < 7.5 for 3-6mo, metformin if not trending down
BP (ACEi) and lipid control (statin) to HDL of 70
Check A1C 2x/yr
Monitor urine for proteinuria (nephropathy)
Yearly eye exams (retinopathy) MCC of blindness 25-74yo
Tuning fork/pinprick testing (neuropathy) and educate about foot health
Oral anti-hyperglycemics
Metformin (ADRL: lactic acidosis)
↑ risk: eGFR <30, liver disease, EtOH abuse, Unstable/acute HF
D/c in hospitalized pts
↑ risk of contrast AKI
Pts with ASCVD/obesity:
GLP agonist
(sema/lira/dulaglutide)
Pts with HF or CKD <60 but >30:
SGLT2 inhibitor
(empag/cana/dapagliflozin)
Pts with CKD stage 5:
Sulfonylurea
(glipizide, glimepiride)
BP > 180 systolic or > 120 diastolic is hypertensive crisis
Elevated BP & stage 1 HTN with a 10-year risk < 10% or without ASCVD
Lifestyle modification first, reassess 3-6 mo
Stage 1 HTN with ASCVD or 10-year risk > 10%
Gets medication & lifestyle modification, reassess in 1 mo
TX
< 50yo monotherapy: ACEi/ARB
Black pts:
Monotx: Amlodipine (dihydropyridine CCB) or chlorthalidone (thiazide-like)
Dualtx: ACEi/ARB and CCB or (ACEi/ARB and thiazide if ssx of hypervolemia)
HF, MI, DM, CKD: ACEi first line
A-fib, post-MI, angina: β-blockers added to ACEi in
Osteoporosis: thiazides (↑ Ca reabsorption)
Preg: Labetalol, methyldopa, nifedipine
Avoid: Thiazides in gout, β-blockers in COPD/bronchospasm and DM, CCB in HF
Respiratory
COPD
Obstructive ↓ FEV1 and ↓ FVC
Dyspnea and DOE with productive cough and chronic infxns
Usually smoking (could be ⍺1 antitrypsin deficiency, will have cirrhosis too)
Chronic bronchitis - productive cough for @least 3 mo each year for 2 consecutive years
Bronchus plugs ➔ air trapping and frequent infxns
Emphysema - dilated air space distal to terminal bronchioles ➔ alveolar destruction
Pursed lipped breathing ↑ pressure in airways to keep from collapsing
Late stage COPD ➔ Pulmonary HTN ➔ RVH and RAE ➔ MAT
DX
PFT: FEV1/FVC < 70% of expected for age, gender, weight (FEV1 won't reverse with bronchodilators like in asthma)
FEV: GOLD 1: > 80%, GOLD 2: 79 - 50%, GOLD 3: 49 - 30%, GOLD 4: < 30%
TX
Stopping smoking is most effective step to slow ↓ of lung function
Pneumococcal and influenza vaccines; exercise will ↑ endurance ➔ ↓ dyspnea
Only 1 exacerbation (not hospitalized) in last year ➔ SABA or LABA or LAMA
2 or more exacerbations or 1 hospitalization in last year ➔ LAMA and LABA and ICS
D/C ICS and give azithromycin with PNA in COPD
Asthma
Chronic inflammation of respiratory system with episodes of reversible airflow obstruction (asthma attack)
Atopic triad: eczema, allergic rhinitis, asthma
ASA-exacerbated respiratory disease (AERD) - Allergic sensitivity rxn to ASA/NSAIDs; asthma, chronic rhinosinusitis, nasal polyps
> 40yo onset - nonallergic: triggered by cold air, exercise, GERD, irritants, viral URI
Genetic predisposition with exposure to irritants
Bronchial hyper-responsive ➔ bronchial inflammation
Reversible bronchospasm ➔ obstruction
Dyspnea, coughing, and high-pitched expiratory wheezing
Cough variant asthma - no wheeze/dyspnea
DX
PFT - Reversible (↓ in FEV1 by > 12% with bronchodilators)
TX
Pneumococcal and influenza vaccines
Self monitoring with PEF monitor can help avoid attacks (↓ PEFR means medications are insufficient)
Everyone gets a SABA (albuterol) for acute asthma attacks
Mild intermittent: sx only 2d/wk, rarely night time sx
SABA ± PRN low dose ICS
Mild persistent: sx more than 2d/wk, night time sx less than 1/wk
SABA + Daily low dose ICS (budesonide, fluticasone, beclomethasone)
Moderate persistent: sx everyday, night time sx 2/wk
SABA + low dose ICS + LABA (formoterol)
Severe persistent: sx through out everyday and most nights
SABA + med/high dose ICS + LABA ± LTRA (montelukast)
Lung Nodules
If it's big or it grows... it's probably bad ➔ biopsy/resect
Patho
Studies show high blood cholesterol is a major risk factor for atherosclerosis cardiovascular disease (ASCVD)
ASCVD is MCC of death among chronic dz
RCTs show lowering cholesterol levels ➔ ↓ risk of ASCVD ➔ ↓ risk of death
DX/screening/starting stain
Get lipid panel if > 20yo and new pt or hx family hx of ASCVD/genetic hyperlipidemia
Start statin if any manifestation of ASCVD (after a stroke, MI)
Start statin if 40 - 75yo and diabetic (regardless of ASCVD risk) and aim for LDL of 70
Start statin and aggressive lifestyle modification immediately if LDL ≥190
If LDL < 190:
20 - 39yo without ASCVD
Emphasize lifestyle's role in development of ASCVD
Informal CVD risk estimate (HTN, ↑ BMI, family hx of CHD, smoking) to determine statin initiation
40 - 75yo - Formal ASCVD risk assessment 10 year risk > 7.5% ➔ start statin
Who wouldn't get a statin?
40-75yo with LDL < 70 and ASCVD risk < 7.5%, pregnant or breastfeeding, liver disease, on amiodarone or protease inhibitors (HIV)
Addicted to grapefruit juice (like more than a cup a day) or crossfit
TX
Lifestyle modifications
Want Low LDL (< 100) - Use Statin (CI in pregnancy, BOLO for myositis)
Get baseline CK (but myositis may not ➔ ↑ CK), recheck LDL in 6-12 wks, can add ezetimibe if needed
Want High HDL (> 40) - Use niacin (CI PUD/GI bleeding, avoid in DM/gout, BOLO hyperglycemia/uremia)
Want Triglycerides (< 150) - Use fibrates (CI in hx of biliary obstruction, renal dz, BOLO myositis esp. with statins)
Total (< 200)
LDL/HDL ratio♂< 3.5 ♀ < 3.0
Derm
Acne
Patho
Sebaceous glands have hair follicles blocked by dead skin, colonized by Cutibacterium
Androgens ➔ ↑ sebum production, menstrual cycle (usually week before)
Climate, drugs (steroids, progestin only contraceptive), foods (dairy), cosmetics/hats, excessive washing
DX
Mild: white heads (closed comedone) & black heads (open comedone)
Moderate: papules/pustules
Severe: cysts (nodular acne >5mm)
DFDX
Hidradenitis suppurativa: abscesses with draining sinuses - tx with topical clindamycin
Acne rosacea - inflammation develops in adulthood
triggered by hot food/weather, etOH ➔ flushing & burning - tx with lifestyle modifications and topical metronidazole
Folliculitis is usually pruritic - tx with mupirocin
R/O PCOS, hypercortisolism
TX - Reassess tx every 3mo
Comedonal only: topical retinoid
Moderate-severe: topical retinoid & benzoyl peroxide; improved in 3-6mo use retinoid only
No response ➔ add topical clindamycin (must use with benzoyl peroxide or else bx resistance)
Still no response ➔ topical minocycline
Isotretinoin PO (retinoid) is teratogenic
Must get hCG first, must be on oral contraceptive + barrier or IUD (continued @least one mo after stopping)
CI with tetracycline
All retinoids (even topical) are not recommended in pregnancy)
Dermatitis
Atopic dermatitis (eczema) (type 1 hypersensitivity) ➔ pruritic eczematous lesions ➔ lichenification over time - MC in flexors
Polygenic ➔ skin that allows antigens to enter easier ➔ ↑ IgE
Atopic triad: eczema, allergic rhinitis, asthma
Triggered by dust/pollen, heat, stress, extreme humid or dry
DX
Pruritic and started in childhood, can confirm with ↑ serum IgE
TX
Emollients and avoid triggers, topical steroids (calcineurin inhibitors on face)
Refractory ➔ UV tx, Dupilmab if severe and >12yo
Psoriasis - skin turnover shortened (2 weeks to 3 days) ➔ plaques - MC on extensors
± nail (pitting, onycholysis, splitting) & eye (anterior uveitis)
Psoriatic arthritis tx with MTX
Allergic contact dermatitis (type 4 hypersensitivity - 2-3d later) ➔ tiny weeping vesicles; Poison ivy (linear streaked vesicles)
Adhesives, topical abx, metals (Ni)
Irritant dermatitis ➔ erythematous with pain & burning
Dyshidrotic eczema dermatitis flares up with stress & sweating ➔ irritable, deep-seated tense vesicles (tapioca like)
Tx dermatitis with topical steroids, (calcineurin inhibitors for face), antihistamine for itch (if immune mediated)
Sore Throat
Thyroid disease
Thyroid Scintigraphy
Cold nodules - think malignancy
US ➔ meet FNA criteria?
Hot nodules are rarely malignant - think adenoma
So, no FNA
Diffuse hot - think Grave's
Thyroid nodule (90% benign)
ASX (MC) or compressive sx (ear/neck/jaw pain, dysphagia/dyspnea/hoarseness)
Malignant: Rapid growth, fixed, nonmoving with swallow
DX
1st: thyroid function labs
If TSH low ➔ RAI UPTAKE STUDY (CI in pregnancy/breast-feeding)
Hot nodule (malignancy rare) ➔ check T3 and FT4 to assess hyperthyroidism
Cold nodule → consider FNA
If TSH high or normal... you may want to do FNA, but you do US first (to determine if FNA criteria met)
Fine Needle Aspiration (FNA) if:
Fixed, hypo echoic, central vascularity (think malignancy)
Solid nodule with oval/irregular border, calcifications, ≥ 1 cm
Or large benign appearing thyroid nodules (≥ 1.5 cm)
TX
RAI ABLATION or surgical excision if obstructive sx
Thyroiditis
Subacute (granulomatous thyroiditis/de Quervain's thyroiditis)
Breakdown of follicular thyroid cells ➔ release of T3/T4
Hyperthyroidism ➔ hypothyroidism ➔ euthyroid
Neck pain/tender goiter
DX
↑ T4/T3 ➔ ↓TSH ➔ RAI UPTAKE STUDY
LOW UPTAKE (unlike Grave's which has high uptake with low TSH)
TX
NSAIDs or prednisone for pain
Propanalol for hyperthyroid sx
Thionamides ↓ T3/4 synthesis and are not needed (because synthesis is already suppressed by elevated TSH)
Infectious (suppurative) thyroiditis
Acute infection spreads to thyroid ➔ abscess
Sudden unilateral (MC) neck pain/tenderness with fever/ssx of infection
DX
TSH, T3/4 usually normal (but ↑ T3/4 may occur)
Thyroid US can differentiate abscess
TX
IV abx (can drain surgically if needed)
Thyroid Carcinoma
Fe overload
↓ RBC production or ↑ destruction
Thalassemia
Hemochromatosis
X transfusions
Supplements
Fe deficiency
Pregnancy, bleeding, malnutrition
↓ Fe & ↓ Ferritin
(depleted stores)
↑ Transferrin/TIBC
floating around looking for more Fe
- Anemia of chronic dz
SLE, RA, CKD
↑ hepcidin ➔ ↓ Fe absorption
↓ Fe & ↓ Transferrin
↑ Ferritin (storing but not using)
TX
PO Fe with orange juice on empty stomach in AM (deficiency)
ADR: constipation, N/V (can do IV Fe)
CKD
TSAT ≤25&% and ferritin ≤500 ng/mL Fe before ESA
Headache
Tension
30mins-days
Entire head/bifrontal
Dull, non-pulsating, constant pain with tight neck and ± head tenderness
No N/V, photophobia
Cluster
30m-4hrs
Usually periorbital/temporal
Piercing/burning
Migraines
4h-3d
MC unilateral
Pulsating pain
N/V, photo/phonophobia, aura
Migraines
Severe headache associated with dilation of intracranial blood vessels
Triggers: stress, hormone (PMS/oral contraception), poor sleep, etOH
DX clinical
TX
Keep diary to track triggers and limit them, exercise, healthy diet
First line: NSAIDs/acetaminophen ± caffeine
ACUTE
5-HT agonist (triptans or ergotamine)
BOLO: serotonin syndrome
CI pregnancy, cardiac hx
Tx nausea/vomiting with antiemetics
(DA antagonist like metoclopramide or prochlorperazine can be used as monotx)
Prophylaxis
β-blockers, topiramate, valproate, TCA
CT - Head Bleed
Arthritis
Osteoporosis
↓ bone mass with abnormal structure ➔ ↑ risk of fractures
Bone mineral density is one of the factors in ↓ bone strength
MCC in postmenopausal women is related to estrogen deficiency
Secondary osteoporosis hyperPTH, hypogonad/premature menopause, GI malabsorption
SSX
ASX vertebral fractures, hip, distal radius (FOOSH ➔ Colles fx)
Screening
Women > 65 or < 65 with:
hx/family hx of fracture, glucocorticoid steroids, ↓ BMI, smoking/etOH, rheumatoid arthritis
Men with radiographic evidence, ↓ height over short time, family hx and meds (steroids, androgen inhibitors)
DX
Get serum Ca, phosphate, PTH, urine Ca/Cr & cortisol
Fragility fracture (spontaneous or minor trauma)
BMD via DXA: T-Score < - 2.5 at any site (2.5 SDs below) - (T-score is comparing to young adults)
Z-score < - 2 (2 SDs below) ➔ investigate reversible causes of osteoporosis (Z-score is comparing to age matched)
Drugs (steroids, anti-seizure)
Endo (including DM)
GI (absorption issues)
Marrow/blood disorders
Genetic (osteogenesis imperfecta)
X-ray ➔ ↑ radiolucency
TX
Bisphosphonates (⊣ bone resorption) for T-Score < - 2.5 or -2.5 to -1 with ↑fracture risk
Take first thing in AM on empty stomach with full glass of water and wait 1 hr til eating/meds
Alendronate, risedronate; IV zoledronic acid (annual) for pts that have difficulty with bisphosphonates
ADR: hypoCa (BOLO paresthesias, spasms, cardiac arrhythmias), esophagitis (stay upright for 1hr after taking), jaw osteonecrosis
Lifestyle (diet, exercise, fall prevention)
Total of 1200 mg of Ca (daily)
Ca in 8oz glass of milk ~300mg
800 IU of Vit D in postmenopausal women (daily)
↓ etOH & smoking
FOLLOW UP DXA IN 2yrs
Lupus
Development of autoAB ➔ attack of healthy tissue - heart, lungs, kidneys, vasculature, neurological (psychosis, personality changes)
Fatigue, fever, joints, skin (malar rash) - photosensitivity, oral ulcers
Cytopenias, serous membrane inflammation (pericarditis, pleuritis, peritonitis), myalgia
DX
Anti-phospholipid ABs: anticardiolipin (tested with RPR/VDRL - also a test for syphilis)
↓ C3 and/or ↓ C4
Lupus anticoagulant (➔ ↑ aPTT)
ANA high sensitivity, low specificity for SLE
anti-dsDNA or anti-Smith most specific
TX
Avoid sunlight, topical steroid for skin, NSAIDs for sx
Hydroxychloroquine (or MTX or azathioprine)
Glucocorticoids/cyclophosphamide for sever sx/organ involvement
Lyme
Borrelia burgdorferi (obligate intracellular spirochete) via Ixodes scapularis (deer/black legged tick)
Tick must be attached for 24-36hrs
STAGE 1
7-14d after tick bite
Flu-like sx, erythema chronicum migrans - expanding red ring with central clearing
STAGE 2
3-10 weeks after bite:
Migratory arthralgia
Neuro sx: facial nerve palsy, meningitis
Carditis ➔ AV block
± eythema migrans lesions
STAGE 3
Months-years: chronic arthritis, lymphocytic meningitis
DX
ELISA (initial test) confirm with Western Blot
TX
Doxycycline if >8yo (amoxicillin if allergic, kid, pregnant)
IV ceftriaxone (severe neuro/carditis)
Colorectal Cancer
Patho
Genetic (familial), polyps
IBD ➔ ↑ inflammation ➔ hyperplasia ➔ neoplasia (UC)
RF: ↑ BMI, processed meat, high-fat/low-fiber, family HX
SSX
Cancer sx (weight loss, night sweats, fatigue)
RIGHT-SIDE (ascending) bleeding ➔ melena ➔ Fe deficiency anemia
LEFT-SIDE (descending) ➔ ∆ bowel habits, bloody stools, obstruction
RECTAL ➔ hematochezia, tenesmus, pencil-thin stool, rectal pain
Liver common site of mets
Screening with FIT/FOBT
Screening: Annually at 50yo (10 years before dx in 1st ° relative)
Stool sample for occult blood (colorectal cancer), R/O anemia cause, GI bleeding
Can be from hemorrhoids (ask about constipation)
DRE ➔ colonoscopy (double contrast barium enema if incomplete colonoscopy)
Advise about prep and post sedation
TX depends on staging
Women's Health
Cervix checked q3yrs years with pap smear and HPV test
HPV (transmitted via skin-skin) can ➔ abnormal cells
Vaccination recommended to all persons aged 9–26yo (before first sexual contact)
Strains 16, 18, 45 have ↑ risk of cervical cancer in 5-10 years
Usually non-cancerous strains go away in 1-2 years
PAP results:
Beyond ASCUS (atypical squamous cells of undetermined significance) ➔ colposcopy
ASCUS & HPV+ ➔ colposcopy
Colposcopy - View cervix close up + acetic acid for biopsy
Potentially cancerous ➔ LEEP/excise (can cause incompetent cervix)
Breast health
Questionable breast mass
Fluid filled ➔ probably benign
Solid component ➔ biopsy
↑ risk of breast cancer: Age (>60 y/o), white, ↑ BMI, prolonged estrogen exposure, 1st° relative
BRCA1 60% chance/BRCA2 45% chance develop breast cancer before 70yo
Atypical Ductal hyperplasia ➔ ductal carcinoma (MC) in situ ➔ invasive ductal carcinoma (MC cancer)
Precursor to cancer
Atypical Lobular hyperplasia ➔ lobular carcinoma in situ ➔ invasive lobular carcinoma
Not precursor for cancer (needs annual screening)
Rarely develops calcification (US > mammography)
Inflammatory Breast Cancer - red, itchy/burning swollen breast, Peau D’Orange appearance
Screening
Mammogram at age 40 every 1-2 years for average risk women
↑ risk: mammogram 10yr before dx of family member
CBE only as screening in 50-69yo (diagnostic CBE for breast complaint is reasonable)
Pt c/o breast mass ➔ CBE
Mass on CBE ➔ diagnostic (not screening) US and mammogram
SSX that ↑ risk of malignancy
Painless, unilateral mass, fixed, hard
Mass in upper outer quadrant (tail of spence)
Unilateral discharge
Dimpling, scaling, erythema
Nipple retraction/inversion
Breast Imaging Reporting and Data System (BIRAD)
0 - nothing
1 - Negative - Have pt return for repeat CBE and if still present refer to specialist
2 - Benign
3 - Probably benign
4 - Suspicious abnormal
5 - Highly suggestive
4 & 5 ➔ core biopsy
If core biopsy shows ADH or ALH ➔ excisional biopsy/lumpectomy
Sexually Transmitted Infections
Wet mount
Bacterial vaginosis - tx with metronidazole
Gardnerella vaginalis ➔ clue cells (vaginal epithelium covered with bx)
positive whiff test (10% KOH ➔ amine odor), pH > 4.5
Trichomoniasis - tx with metronidazole
Trichomonas vaginalis (flagellated protozoan) ➔ frothy, purulent/foul, strawberry cervix, pH > 4.5
Vaginal yeast infection - tx with topical azole/nystatin/PO fluconazole
Candida albicans ➔ cottage cheese discharge ➔ pH 4-4.5
Pseudohyphae on KOH
Chlamydia
Gram-negative, rod-like, but difficult to stain (intracellular cytopasmic inclusion bodies on Giemsa stain)
Can infect eyes, GU, lungs
LGV (Lymphogranuloma venereum) - painless genital ulcers and inguinal LN swelling
Azithromycin PO or doxycycline if allergic
Gonorrhea
Neisseria gonorrhoeae (Gram-negative, intracellular, diplococci) ➔ purulent discharge
Can ➔ epididymitis, prostatitis, cervicitis, PID (BOLO fever with ABD pain)
Can disseminate (polyarthralgias, tenosynovitis, gonococcal arthritis)
Annual NAAT screening for gonorrhea & chlamydia
Sexually active ♀ ≤ 24 years or ♀ > 24 years & RF
Evaluate for other STIs (T. pallidum, HIV)
Ceftriaxone IM and PO azithromycin or doxy (for Chlamydia)
Syphilis
Treponema pallidum
1° - painless ulcers (chancres)
2° - rash on palms and soles with LN swelling, ± alopecia
3° - neurosyphilis, gummata, cardiac syphilis
Treponemal vs Nontreponemal
Sooo traditionally nontreps first (RPR, VDRL, TRUST) but ↑ false positives and false negatives
Confirm with treponemal test (FTA-ABS, CIA, TPPA, TP-EIA)
"Reverse screening" you start with treponemal test first
Penicillin G benzathine IM
Prostate
Benign Prostatic Hyperplasia
Prostate is a gland that sits below bladder and surrounds urethra, plays a role in liquifying semen during ejaculation
BPH prevalence ↑ with age and androgens (DHT ➔ prostate growth)
Can ➔ LUTS (↑ frequency, urgency, nocturia) & bladder obstruction (hesitancy, dribbling/weak stream, incomplete voiding)
Hematuria
DX
Smooth and enlarged prostate on DRE, PSA ↑ (usually)
Get UA/UA to r/o UTI
Repeat PSA, if more elevated ➔ biopsy
TX
Outlet obstruction ➔ urgent cath (obstruction ➔ CKD/hydronephrosis)
Post-obstructive (post cath) diuresis (> 200ml urine in first 2 hrs or 3L in first 24hrs) can ➔ dehydration/electrolyte problems
Mild: lifestyle ∆'s
First line ℞: ⍺-blockers - tamsulosin (⊣ ⍺1); ADR: hypotension/orthostasis, abn ejaculation
5-⍺-reductase - finasteride (when really big or sx after tamsulosin) ➔ ↓ prostate size (⊣ testosterone ➔ DHT) ➔ ED, ↓libido
TURP when meds don't work (➔ retrograde ejaculation)
Elevated PSA or Enlarged Prostate
Monitor annually @ 50: PSA < 4
DRE: Normally smooth & symmetric
Can be from prostatitis, sex, bike riding, prostate cancer
No clear cause but there is a genetic component (MC in blacks)
NEED TWO ELEVATED PSA with normal feeling prostate or NODULAR ± ↑ PSA
Take biopsy to determine likelihood/severity of prostate cancer
Biopsy can ➔ infection, bleeding, pain
SSX
Can mets to spine ➔ back pain
TX
Active surveillance (slow growing) repeating PSA q3mo
Depending on Gleason score
High Gleason or trending upward ➔ radiation or surgery
Radiation means you can't do prostectomy in future (cheese sandwich)
Surgery ➔ incontinence and ED
Recurrence ➔ leuprolide (GnRH agonist)
Incontinence
Stress
Aging, obesity, pelvic trauma, prostate surgery
↑ ABD pressure ➔ ↑ bladder pressure > sphincter can handle
TX with Kegel (pelvic floor exercise) and lifestyle mod, vaginal pessary
Urge
Inflammatory (UTI) or neuro ➔ overactive bladder, overactive detrusor, or sphincter dysfunction
Sudden urge with involuntary leak
TX with antiAch (oxybuntynin) or β3 agonist (mirabegron)
Overflow
Weak detrusor or outlet obstruction (BPH) ➔ incomplete emptying
Over-filled bladder ➔ ↑ pressure ➔ dribbling/leaking (usually no urge prior to leakage). ↑ post-void residual urine volume
TX with catheterization, timed voiding, lifestyle mod
TX BPH with ⍺1 blockers (-zosins) first line
Acute Kidney Injury
Sudden ↓ kidney function ➔ ↑ BUN/Cr
Stage 1 - SrCr ↑ 0.3 in 2d or 1.5-2x baseline in 1wk
Stage 2 - SrCr ↑ 2-2.9x baseline
Stage 3 - SrCr ↑ 4 or > 3x baseline and or < 0.3ml/kg/hr urine
Oliguric/anuric phase lasts 1-3wks
< 50ml urine, azotemia (↑ BUN/Cr)
Polyuric phase lasts 2wks
GFR normalizes but reabsorption is still a problem ➔ lost electrolytes
Recovery phase can last mo-yrs
Kidneys back to functioning
Pre-renal (MC) - ↓ renal perfusion
Hypovolemia, renal artery stenosis ➔ RAS & ADH ➔ ↑ Na, H2O, urea reabsorption ➔ ↑ urine mOsm
BUN/Cr > 20/1
↓ Na excretion (< 20, FeNa < 1%)
Intra-renal - Kidney dz/damage
Acute tubular necrosis (MC intra), glomerulonephritis ➔ ↓ Na, H2O, urea reabsorption ➔ ↓ urine mOsm
BUN/Cr <15/1
↑ Na excretion (> 40, FeNa > 2%)
ATN ➔ muddy brown casts; glomerulonephritis ➔ RBC casts; nephrotic ➔ fatty casts
Post-renal -↓ voiding/drainage
BPH, stones, neurogenic bladder ➔ ↑ hydrostatic pressure ➔ ↓ GFR
BUN/Cr may be normal
Chronic Kidney Disease
Na + H2O retention ➔ HTN, edema (pulm and peripheral), pH disorders, anemia
Causes of CKD: DM nephropathy, HTN nephropathy, glomerulonephritis, polycystic kidney disease
Stage 1 - eGFR > 90 but with kidney damage
Stage 2 - eGFR 60-89 ± proteinuria
Stage 3 - eGFR 30-59 ➔ problems with
bone (kidneys make Vit D) ↓ Ca ➔ 2° hyperPTH ➔ osteodystrophy
blood (kidneys make EPO) anemia
Acidosis, HyperK, PO4, uremia ➔ pericarditis/pleuritis, encephalitis
Stage 4 - eGFR 15-29 ➔ Start dialysis prep and talk about transplant
Stage 5 - eGFR < 15
Stage 6 - eGFR < 15 on dialysis
Dialysis indication: eGFR < 5 or 5-15 with ssx that aren't responding to medical tx
Tx
↑ renal perfusion (may have to stop ACEi/ARB, def stop NSAIDs)
Tx urinary tract obstruction
⊣ RAS (ACEi/ARB), SGLT2 inhibitors
Tx CKD complications
Volume overload (restrict Na, loops)
Dyslipidemia (statin)
HyperPO4 (restrict phosphate, CaHCO3 with meals) , anemia (EPO), HyperK, acidosis
Pediatric exanthem
Measles (rubeola)
Cough, coryza, conjunctivits
Koplik spots (blue/gray spots) on buccal mucosa
One week later ➔ large sized spots blanchable rash starting on face with high fever
BOLO encephalitis, PNA, otitis media (superinfxn)
Rubella (German measles)
Post-auricular LN, mild sx
Forchheimer (sounds german) spots on soft palate
5d later ➔ Medium sized blanchable rash starting on face with polyarthritis
BOLO TTP
Roseola
HHV 6
High fever ➔ blanchable rash ➔ ↓ temp
FROM TRUNK TO FACE
Nagayama (papular enanthem on uvula and palate
BOLO febrile seizures