Week 2 Flashcards
Young woman with monocular vision loss, eye pain with movement, washed out color, afferent pupillary defect think
MS!
Comorbidities with Absence seizures
ADHD, anxiety
Tx. Ethosuximide
(seizures provoked with hyperventilation, brief less than 20 seconds, and show symmetric 3Hz spike wave activity on NL background)
Sxs of interstitial cystitis (painful bladder syndrome)
More common in women, associated with psych d/o (anxiety, pain syndromes), bladder pain with filling relieved by voiding, increased frequency, urgency, dyspareunia, bladder pain with no other attributable causes for >=6 weeks, normal UA. Tx Not curative focus on quality of life, behavior mod and trigger avoidance, amitriptyline, analgesics for exacerbations
Neonate with bilious vomiting, abdominal distention, do abdominal xray shows gasless abdomen what next
Upper GI series (barium swallow) fastest and most accurate method of dx malrotation with midgut volvulus. See ligament of treitz on R abdomen and corkscrew pattern. Tx with surgery.
Tx Hoarding d/o
CBT
PTHrP associated with which cancer
SCC of lung
Paraneoplastic syndrome associated with Small Cell Carcinoma
ACTH production and SIADH
Nephrotic syndrome associated the most with renal vein thrombosis
Membranous GN
Abdominal pain, fever, hematuria in someone with nephrotic syndrome think …
Renal Vein thrombosis 2/2 loss ATIII
Progressive bilateral loss of central vision think
Age related macular degeneration
hypercalcemia, los phos, los mag, met alk, AKI, low PTH 2/2
Milk Alkali syndrome (excessive Ca++ and absorbable alkali) 2/2 renal vasoconstriction and decreased glomerular blood flow
Hazard ratio
Are proportions that indicate the chance of an event occurring in the treatment group compared to the change of the event occurring in the control group. <1 more likely control, Closer to 1, less difference.
tendency of study population to affect the outcome since they are aware they are being studied
Hawthorne effect
Tx acute decompensated HF w/pulmonary edema with NL or elevated BP
Oxygen, assisted ventilation as needed, IV diuresis, possible vasodilator therapy
Chronic cough >8 weeks worse at night, not better with antihistamine think
ASTHMA, do a spirometry
Role of hCG in pregnancy
secreted by syncytiotrophoblast and is responsible for preserving the corpus luteum during early pregnancy in order to maintain progesterone secretion until the placenta is able to produce progesteron on its one
1 day old with head circumf >95%, hydrochephalus, jaundice, diffuse IC calcifications, HSM, rash
DX Toxoplasmosis from raw or undercooked meat, unwashed veg/fruit, cat feces
tx pyrimethamine, sulfadiazine, folate
Levels of glucose with GDM
fasting 95, 1 hour PP <140, 2 hour PP<120
1st line tx diet, 2nd insulin, metformin, glyburide
Knee pain in young ado male athletes
Osgood Schlatter disease, quadriceps tendon puts traction on apophysis of tibial tubercle where patellar tendon sits
increased MCHC, spherocytes, negative coombs
HEREDITARY SPHEROCYTOSIS, AD
Pts with severe bladder outlet obstruction due to BPH can develop AKI. Next step.
Renal US for assessment hydronephrosis in those with worsening kidney function.
Fundo findings in CRVO
Venous dilation and tortuosity due to venous occlusion, scattered diffuse hemorrhages due to backup of blood and increased resistance, leading to ischemic damage, blood and thunder appearance due to diffuse hemorrhages, cotton wool spots, disk swelling.
67 year old male with LOC, lightheadedness over past month, ECG shows prolonged PR interval, prolonged QRS, normal QTc. What is most likely cause of syncope?
Bradyarrhythmia 2/2 high grade AV block
How does RTA present in infancy?
Failure to thrive due to chronic, normal, anion gap metabolic acidosis.
Type 1 RTA
distal. due to impaired H+ excretion, urine PH >5.5, low normal K. 2/2 genetic d/o, med tox, AI
Type 2 RTA
proximal. due to poor HCO3 rasorption. Urine pH <5.5, low normal K. 2/2 fanconi syndrome. glucosuria, phosphaturia, aminoaciduria.
Type 4 RTA
aldosterone resistance. pH <5.5, high serum K, 2/2 obstructive uropathy, CAH.
How to remove vaginal foreign body objects.
Calcium alginate swab or irrigation with warmed fluid should be attempted after a topical anesthetic has been applied. If fails then sedation and gen anesthesia.
Atelectasis on ABG
Respiratory Alkalosis
pH 7.49/ PO2 70/ PCO2 27
What are the preoperative strategies to reduce postoperative pulmonary complications (atelectasis, infection, PNA, bronchospasm, COPD exacerbation, prolonged mechanical ventilation)
Smoking cessation 8 weeks or more before surgery
Symptom control of COPD before
Treatment of respiratory infections before surgery
Pt education for lung expansion maneuvers, cough, deep breathing, IS, chest PT
Post operative strategies reduce post op pulmonary complications?
IS, Deep breathing, epidural anesthesia instead of parental opioids, continue positive airway pressure
Fever, flank pain, hemoglobinuria, renal failure, with in 1 hour of transfusion?
Acute hemolytic reaction caused by ABO incompatibility .
+ direct combs, pink plasma
Fever and chills within 1-6 hours transfusion?
febrile nonhemolytic reaction 2/2 cytokine accumulation during blood storage
Respiratory distress and signs of noncardiogenic pulmonary edema w/in 6 hours of transfusion?
TRALI (caused by donor anti-leukocyte antibodies)
When to do a NST?
high risk pregnancies starting at 32-34 weeks or loss of perception of fetal movements in any pregnancy.
Rash of TSS
Fever, hypotension, and a diffuse red macular rash involving the palms and soles. 2/2 exotoxin. Tx with fluid and antibx.
+ hepatojugular reflux caused by
failing right ventricle that cannot accommodate an increase in venous return with abdominal compression . 2/2 constrictive pericarditis, right ventricular infarction, and restrictive CMvfcjk.
Post exposure prophylaxis for pertussis
ALL CLOSE CONTACTS despite vaccination status. <1 month, Azith 5 days
>= 1 month, Azith 5 days, Clarith 7 days (can cause pyloric stenosis under 1 mo), eryth 14 days
Tx in Catarrhal stage may help shorten the course of illness.
Flushing, telangiectasias, cyanosis, diarrhea, cramping, R>L valvular lesions, bronchospasm, niacin deficiency THINK OF
- Carcinoid syndrome.
- Dx with 24 hour urinary 5HIAA.
- NET found in distal small intestine, proximal colon, and lung.
What is isolated systolic HTN?
SBP >140 with DBP<90. Associated with 7x increased in risk of cardiovascular morbidity and mortality than primary HTN. 2/2 increased stiffness or decreased elasticity of aortic and arterial walls in elderly patients.
Antiphosphlipid syndromes
vascular thrombosis and/or pregnancy complications + >= Anticardiolipin antibody, lupus anticoagulant, anti beta2glycoprotein antibody
Tx. Anticoag
Management STEMI
- Oxygen for arterial sat if <90
- Nitrates (not if hypotensive of RV infarct or severe aortic stenosis)
- Antiplatelet (dual) ASA + P2Y12 receptor blocker
- Anticoagulant (unfractioned heparin, LMWH)
- Beta Bockers (not in overt HF, high risk cardiogenic shock, bradycardia)
- Prompt reperfusion with PCI (<90 min 1st medical contact to PCI)
- Statin ASAP
Man is unable to recall important autobiographical info after wife says she wants divorce
Dissociative amnesia
After overwhelming or intolerable events
w/Fugue associated with seemingly purposeful travel or bewildered wandering
Normal pH pleural fluid
Transudative fluid pH
NL 7.6
Trans 7.4-7.55
Sudden onset contralateral sensory loss involving all sensory modalities, weeks to months later have sever paroxysmal burning pain over the affected area that is exacerbated by light touch (allodynia)
Lacunar Stroke of posterolateral thalamus
Lateral Meduallary infarct
from PICA, loss of pain/temp over ipsi face, and contralateral body, ipsi bulbar muscle weakness, vertigo/nystagmus and horner syndrome
HIV pt with AMS, EBV + CSF, solitary weak ring enhancing periventricular mass on MRI
Primary CNS lymphoma
Tx Swimmers ear, otitis externa
Remove debris, topical Ab (FQ) +/- topical steroid
Tx of Acute OM
Amoxicillin and Amoxicillin-Clavulinic acid
Findings in SBO that make it “complicated” and need emergency surgery
Fever, hemodynamic instability (hypotension, tachycardic), guarding, changes in pain, leukocytosis, sig met acidosis. Delay surgery = perforation risk and death.
HTN >140/90 prior to conception or in 1st 20 weeks of pregnancy
Chronic HTN (primary or secondary)
Gestational HTN
new onset elevated BP at >20 weeks gestation. No proteinuria or end organ damage.
complications of HTN in pregnancy
Preeclampsia, placental abruption, fetal growth restriction, preterm labor, and still birth.
Virilization in female fetuses, (XX), normal internal geitalia with ambigous external genitalia. Adolescence delayed puberty, OP, undetectable E levels (no breast development) and high gonadotropin levels = polycystic kidneys
Congenital aromatase deficiency
T cant become E
MOA of hypoxemia in PNA
R–>L intrapulmonary shunting and extreme V/Q mismatch. Increased concentration of FiO2 does not correct hypoxemia caused by intrapulmonary shunting.
Young person (29 yo) with HTN, Headaches, epistaxis, upper body dev, lower body underdev (claudication), brachial/femoral pulse delay. Left interscapular systolic or continuous murmur think…
Coarctation of the aorta (congenital or acquired)
dx. ECG LVH, CXR inferior notching of the 3rd-8th ribs, echo dx
Tx 3rd degree AB block
Complete heart block, temporal dissociation of P waves and QRS, manage with temporary pacemaker insertion while undergoing eval for causes
Eye with vesicles and dendrictic ulcers in the cornea
Herpes simplex keratitis
HTN, mood swings, depression, poor sleep, mild HA and muscle weakness. Kidney stones. High Ca++ think.
Hyperparathyroidism (MEN2, pheo?)
Slurred speech, unsteady gait, drowsiness
BENZO OD. No nystagmus like with phenytoin or ETOH.
Before staring trastuzumab for HER2+ breast carcinoma do what test?
Echo, bcus associated with risk of cardiotox
Advanced bone age, coarse axillary and pubic hair, severe cystic acne. Also Gonadotropin independent (peripheral) precocious puberty, LH levels are low at baseline and do not increase after stimulation with stimulation with GnRH agonist. THINK.
Late onset non classic CAH cause by 21 hydroxylase deficiency. Increase 17hydroxyprogesterone.
Prader willi 2/2
Losing paternal copy of 15qll-q13
Pregnany women with sxs appendicitis … what next
Abdominal US
Dx preeclampsia after HTN already seen
Need urine protein/creatinine ratio or a 24 hour collection for total protein. >3 or 24 hour urine >300mg
pts with hx BAT or MVC, abnormal CXR, left lower lung opacity, elevated hemidraphragm and mediastinal deviation
Diaphragmatic rupture
Child <24 months with first febrile UTI what next?
Renal and blader US
Most common cancer ass with asbestos
Bronchiogenic carcinoma
Febrile neutropenia start with
antipseudomonal, cefepime, meropenem, zosyn intitally
Malignant necrotizing otitis externa tx
IV cipro 2/2 Pseudomonas
Middle ear effusion without signs of active infection, dull TM, hypomobile on pneumatic otoscopy
Serous otitis media, non infectious effusion, middle ear effusion with out evidence of an acute infection. Conductive hearing loss.
Dx and tx leprosy
Macular anesthetic skin lesions with raised borders, nodular painful nearby nerves with loss of sensory/motor function.
Dx Full thickness biopsy of skin lesion. Not culturable.
Tx. Dapson and rifampin. Clofazimine if multibaciliary.
Most common site for ulnar nerve entrapment
Ulnar nerve at medial epicondylar groove. 2/2 leaning elbows on desk @work
Persistent ST segment elevation after a recent MI and deep Q waves in the same lead segments. Sxs of HF. Think?
Ventricular Aneurysm (VA) from transmural MI Dx with Echo where you see thinned dyskinetic LV portion in the area of prior MI
Modified Wells Criteria
3 points: DVT clinical signs, alt dx less likely than PE
1.5 points: Previous PE or DVT, HR >100, recent surgery or immobilization (not travel)
1 point: Hemoptysis, cancer
<4 PE unlikely, > 4 PE likely
Causes of wernickes encephalopathy
- Chronic alcoholism
- Malnutrition (AN)
- Hyperemesis gravidarum
2/2 thiamine deficiency.
- Encephalopathy, occulomotor dysfunction, postural and gait ataxia.
Breast Abscess from untreated mastitis (6 weeks after delivery and breastfeeding). How to treat?
Needle aspiration and antibiotics (dicloxacillin, cephalexin). Dx clinically. Vs treat with warm compress - not enough for an abscess.
Suspect toxic megacolon, next step in management?
Abdominal X ray (>6cm dilated R colon)
Tx. with bowel rest, NG suction, antibiotics, +/- corticosteroids if IBD associated, surgery if unresponsive to medical management.
post menopausal woman with breast tenderness and vaginal spotting, NL mammograms, no ERT, pelvic exam shows large non tender 10cm solid left ovarian mass and thick endometrium. What is most likely dx? what to do next in management?
Most likely: granulosa tumor of the ovary, in children presents with precocious puberty, post meno with bleeding, endometrial hyperplasia and large adexnal mass. Dx with increased estrogen and pelvic ultrasound showing ovarian mass and thick endometrium. Next step: endometrial biopsy for eval of concomitant endometrial malignancy.
Thyroid hormone changes in pregnancy if women is euthryoid?
Thyroid hormone production increases during pregnancy to cope with metabolic demands, increase total T3, T4, NL or mildly elevated free T4. Suppressed TSH. 2/2 Estrogen causing increased TBG, leading to increased TOTAL (not free) thyroid hormone levels.
What is the most likely effect of the abnormal flat diaphragm in COPD?
Increased work of breathing. Elasticity decreases and compliance increases in COPD. Have increased TLC, FRC, and RV. Diaphragm has more difficulty contracting to expand the thoracic cavity. increased WOB.
Evidence of hemolysis in AIHA.
Jaundice, elevated ID, increased LDH, decreased serum haptoglobin. Splenomegaly. Reticulocytosis. Smear shows spherocytes and etc.
Warm AIHA
2/2 drugs (penecillins), viral infections, AI (SLE), immunodeficient states, CLL. Direct coombs + with anti IgG, anti C3, or both. Tx steroids or splenectomy if refractory disease. Complications venous thromboembolism, lymphoproliferative d/o.
Cold AIHA
Infections (mycoplasma, infectious mono), lymphoproliferative diseases, symptoms of anemia, livedo reticularis and acral cyanosis with cold exposure that disappears with warming, direct coombs + with anti C3 or IgM but not IgG. Tx avoid cold, rituximab +/- fludarabine. Complications ischemia, gangrene, LP d/o
GVHD
2/2 activation of donor T lymphocytes against host major and minor HLA antigens. Subsquent cell mediated immune response. See maculopapular rash involving palms, soles, and face that may generalize. Target skin, liver (elevated LFT and jaundice), intestine (bloody diarrhea)
Classic findings PE on ECG
Prominent S in lead 1, Q in lead III, T inverted in lead III (S1Q3T3). Afib also associated (bad along with low ox sat)
Case control study when you select “neighbors of patients with the same age and race as controls”. This study design helps control which of the following?
Confounding. Matched variables should be the potential confounders of the study (age, race).
What is the most rapid means of normalizing prothrombin time?
FFP
Tx pediatric constipation
Oral laxative (polyethylene glycol, mineral oil)
Glucagonoma
Necrolytic migratory erythema on face, perineum, extremities, lesions enlarge and coalesce over 7-14 days with central clearing and blistering, crusting and scaling at borders, DM (mild), Diarrhea, anorexia, ab pain, constipation, weight los, ataxia, demantia, proximal muscle weakness, association with venous thrombosis.
Dx glucagon >500, normocytic normochromic anemia, CT for pacreatic tumor location.
6 yo body w/Prolonged QT (>440 M, >460 females) , fmhx sudden death, congenital sensorineural deafness, fainting while running, what dx?
Jervell and Lange Nielsen syndrome (AR). Tx with propranolol and (when symptomatic) pacemaker. Caused by molecular defect in K channels. Risk of syncope, arrythmias like torsades.
Complication of bronchiolitis in <2 year old
apena
Respiratory failure
Next step in work up of gastric adenomarcinoma after biopsy?
CT Scan A/P
Then PET/CT
PT with elevated direct bilirubin, elevated Alkphos, what next?
Abdominal ultrasound or CT bcus this is cholestatic picture in setting of intrahepatic or extrahepatic biliary obstruction.
Tourettes puts you at risk for
COPD and ADHD
Dense deposits within glomerular BM, postive C3, no ig. What type of glomerulopathy?
Membranoproliferative GN type 2, caused by persistent activation of alternative complement pathway. Caused by IF antibodies (C3 nephritic factor) directed against C3 convertase of the alternative complement pathway.
66 year old with constipation, backpain, anemia, elevated BUN/Cr, what is causing constipation?
elevated calcium “electrolyte abnormalities” 2/2 MM
Mole may be melanoma if different from other pigmented lesions “ugly duckling sign”
up to 90% senstivity for melanoma, ex. palpable nodularity, occasionally itches
What is SE of EPO in CKD?
Worsening HTN (less common with SC route EPO vs IV), headaches, flu like sxs, red cell apalasia
Who to hospitalize involuntarily?
Acutely psychotic patients who have suicidal/homicidal ideation, command hallucinations to hurt self or others, and danger to self or other and or gravely disabled.
Most likely organism in Joint infections:
- Early Onset <3mo
- Delayed Onset 3-12mo
- Late onset >12mo
- Early - Staph A, GNR, Anaerobes
- Delayed - Coagulase negative staph (staph epi), propionibacterium, enterococci
- Late - Staph A, GNR, Beta hemolytic strep
Acute stress d/o after exposure to actual or threatened trauma. How long does it last?
> =3 days, <=1month
Mechanism of anemia of prematurity.
2/2 decreased EPO due to increased O2 concentration in tissues, exacerbated by short RBC span (40-50 days) and frequent phlemotomy.
Normal babies have RBC nadir 2-3month
Signs of dixogin tox?
D/N/Fatigue, scotoma, blurry vision, changes in color or blindness. Hypokalemia 2/2 loops can increase pts susceptibility to toxicity of digoxin.
Hypernatremic, hypovolemic, symptomatic, what fluids to give? What is euvolemic?
Hypovolemic? NS
Euvolemic? Free water
Not symptomatic but hypovolemic? 5% dextrose
DONT CORRECT greater than 0.5 mEq/dL/hr without exceeding 12 in 24 hours. Can cause cerebral edema.
Causes and sxs of constrictive pericarditis?
Idiopathic, viral, cardiac surgery or radiation therapy, TB
Sxs: Fatigue on exertion, edema, ascites, increased JVP, pericardial knock(mid diastolic), pulsus paroxodus, kussmauls sign. ECG a fib or low voltage QRS, pericardial thickening and calcification. JVP prominent X and Y descents. (RIGHT HEART FAILURE)
Normal LD features
soft, mobile, <2cm (0.5-1cm NL), no systemic symptoms
ABNORMAL firm hard immobile >2cm B Sxs
Symmetric proximal muscle weakness, CK elevated, myalgias, decreased DTR think ..
Hypothyroidism, hypothyroid myopathy, check TSH and free T4. Polymyositis doesn’t have myalgias or decreased DTRs.