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Step 2 World Quickies
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Medical
Graduate
05/28/2013

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Term
Adverse Effects of Lithium
Definition
GI Distress
Nephrotoxicity
hypothyroidism
leukocytosis
tremors
acne
psoriasis flares
hair loss
edema
Term
What Labs should be checked when on Lithium
Definition
Thyroid Fnx
Renal Fnx
B-HcG
Term
1st indicator of hypovolemia
Definition
Pulse Rate
Term
Best Diagnostic test for Meckel's Diverticulum
Definition
Technetium-99m Pertechnetate Scan
Term
Acute Otitis Media Bugs
Definition
Streptococcus Pneumo (40%)
H. influenzae (25-30%)
Moraxella catarrhalis (10-15)
Term
"Cerebral Salt-wasting Syndrome"
Definition
May occur in Pts with subarachnoid hemorrhage, or presence of tumor in brain
Term
Toxoplasmosis
Headache, weakness, fever, Ring-enhancing lesions
Tx?
Definition
Sulfadiazine and Pyrimethamine
Term
Dx of Spontaneous Bacterial Peritonitis
Definition
Paracentesis - PMNs >250 and + ascites culture
High suspicion in chronic cirrhosis with ascites who develops abdominal discomfort or altered mental status
Term
Tx for V tach in Hemodynamic Stable Patients
Definition
Lidocaine or Amiodarone
Term
Side Effects of Acyclovir
Definition
Nephrotoxic

Poorly soluable in Urine -> precipitates in renal tubules -> obstruction and ARF
Term
Serum Sickness
Definition
Hypersensitivity Reaction
occurs 1-2 weeks after admin of:
PCN, Amoxicillin, TMP-SMX, Cefaclor
Most common in kids after treatment of viral infection with antibiotics
Term
Dacryocystitis
Definition
Infection of Lacrimal Sac
Sudden onset of pain and redness in medial canthal region
Purulent discharge from punctum
Usual Bugs
Staph aureus and B-hemolytic Strep
Term
Muscle weakness, Arrhythmias, EKG changes after Albuterol treatment
Definition
Decreased serum K because B-2 agonists drive K into cells
Term
Central Cord Syndrome

Weakness more pronounced in upper extremities than lower
Definition
Occurs with hyperextension injury in elderly
Selective damage to central portion of Anterior Spinal Cord - Central corticospinal tracts and decussating fibers of Lateral Spinothalamic
Term
Choanal Atresia
Definition
Infant - Cyanosis with feeding, relieved by crying

Back of nasal passage is blocked by abnormal bony or soft tissue

Dx by nasal catheter unable to pass through
Term
Contraindications to Breast Feeding
Definition
Galactosemia
Phenylketouria
Urea cycle defects

Medications:
Radioactive isotopes
Antimetabolites
Chemo

Infections:
Herpes (lesions on breast)
Active TB
HIV
Term
Bacillary Angiomatosis
Definition
Caused by Bartonella
effects immune suppressed
Cutaneous Lesions - exophytic purple skin masses
Term
Radioactive Iodine Uptake
Thyroiditis vs Grave's
Definition
Thyroiditis - Decreased uptake

Grave's - Increased uptake
Term
Whats the best way to improve Left Ventricular Fnx in pts with tachysystolic A Fib?
Definition
Controlling Rhythm
Term
Reye Syndrome
Definition
Fatty Liver with Encephalopathy
Term
Syphilis
Treatment of Choice
Definition
Benzathine Penicillin G

PCN Allergic: Doxy or Tetracyline

Pregnant and PCN allergic: desensitize to PCN and treat with Benzathine Pen G
Term
Diffuse Cortical and Subcortical Atrophy which is disproportionately greater in Temporal and Parietal lobes
Definition
Alzheimer's Disease
Term
Cauda Equina Syndrome
Definition
Symptoms: Low back pain, bowel and bladder dysfunction, saddle anesthesia, sciatica, lower extremity sensory, motor loss, and weakness, Perianal anesthesia, poor rectal tone, reflex abnormal
Term
Femoral Nerve Innervation
Definition
Motor:
Quadriceps femoris (4parts)
Sartorius
Pectineus

Sensory:
Anterior thigh
Medial Leg
Term
Ovarian Dysgenesis in Turner's Syndrome
Definition
Decreased Estrogen and inability to menstruate
Poor ovarian function causes increased FSH levels due to lack of Negative feedback.
Term
Androgen Insensitivity
Testicular Feminization
Definition
Female Phenotype
46 XY Genotype
Testes found in abdomen
Mullerian inhibiting Factor produced by testes and prohibits formation of uterus, fallopian tubes, vagina
Term
Addison's Disease Symptoms
Definition
Anorexia, Fatigue, GI symptoms
Hyperpigmentation
Hyponatremia
Hyperkalemia
Mild hyperchloremic Acidosis
Term
Acquired Torticollis
Definition
Neck twisting due to asymmetric muscle activity
Causes: URI, minor trauma, cervical lymphadenitis
Dx: Cervical Spine XR
Term
Post-Strep glomerulonephritis
Definition
Seen 10-20 days after throat or skin infection
Symptoms:
Periorbital swelling, hematuria, oliguria, C3 low
Term
What does raising the cut off point of a test do to sensitiity and specificity?
Definition
Sensitivity - Decreases

Specificity - Increases
Term
Hyper-IgM Syndrome
Definition
Increased levels of IgM
Deficiency of IgG and IgA
Poor specific antibody response to immunizations
Recurrent sinopulmonary infections and PJP
Term
Acquired Aplastic Anemia
Definition
Results from injury to bone marrow by Radiation, drugs, insecticides, toxins, or infection
BM - hypocellularity with decrease in all cell lines and fatty infiltration of the marrow
Term
3 D's of Niacin Deficiency
Definition
Diarrhea, Dermatitis, Dementia
Term
Why are pts with carcinoid syndrome at increased risk of developing Niacin Deficiency?
Definition
Increased formation of Serotonin and tryptophan is required to produce niacin
Term
To minimize kidney damage by anti-glomerular basement membrane antibodies in Patients with Goodpastures
Definition
Emergent Plasmapheresis
Term
Attributable Risk Percent
Definition
Measure of the impact of risk factor being studied
ARP = (risk exposed - risk unexposed)/(risk exposed)
ARP = (Relative Risk - 1)/(Relative Risk)
Term
CT scan of Patients with Schizophrenia
Definition
Enlarged Ventricles and Prominent Sulci
Term
Fibromuscular Dysplasia
Definition
most common cause of secondary HTN in kids
Bruit at CVA due to well developed collaterals
Rt renal artery more effected than Lt
"String of Beads" - angiography
Term
Organ effects in Amyloidosis
Definition
Kidney - proteinuria
Liver - inhibition of coagulation factors -> Bruising
Heart - Restrictive Cardiomyopathy
Term
Cluster Headaches
Definition
Men > Women
Unilateral, sudden onset, severe, retro orbital
Tx: 100% O2 most rapid to abort pain
Term
Chlordiazepoxide
Definition
Benzo
common choice of treatment for alcohol withdrawal
Term
Ichthyosis Vulgoris
Definition
Hx of normal skin at birth, with gradual progression to dry scaly skin.
Skin - dry, rough with horny plates over extensor surfaces
"Lizard Skin"
Term
Orbital Cellulitis
Definition
Pain with eye movements, proptosis, opthalmoplegia, diplopia

Most common cause - Bacterial sinusitis
Term
Apophyseal Join Arthritis
Ankylosing Spondylitits
Definition
Low back pain and stiffness
Progressive limitation of back motion and chest expansion
Associated Symptoms:
peripheral joint arthritis, anterior uveitis
Increased ESR, (-)RF, HLA-B27
Tx: Pain relief, TNF-alpha antagonist
Term
Best way to check for Nephropathy in Diabetics
Definition
Random urine microalbumin/Cr Ratio
Term
Nocardiosis
Definition
Gram +
Partially acid-fast
filamentous Branching Rod Aerobe
Found in Soil

Symptoms:
Wt Loss, Fever, night sweats
Cough w/ purulent sputum
Immunocompromised or on chronic corticosteroid therapy

Tx: TMP/SMX
Term
Patients with unexplained elevation of serum CK concentrations - should always consider what?
Definition
Hypothyroidism
Term
ECG - Hypokalemia
Definition
Broad Flat T waves, U waves, ST Depression, premature ventricular beats
Term
Waldenstrom's Macroglobulinemia
Definition
Abnormal Plasma cells multiply out of control, invade bone marrow, lymph nodes, spleen.
Excessive IgM antibody in blood -> hyperviscosity
Term
Friedreich Ataxia

Most common cause of Death
Definition
Autosomal recessive
progressive damage to nervous system -> gait disturbances, speech problems

Cardiomyopathy - most common cause of death
Term
9 month old milestones
Definition
Crawl
Pull to stand
Babble
Use mama/dada
respond to own name
Term
Antidote to Iron Poisoning
Definition
IV Deferoxamine
Term
TCA overdose
Definition
Sodium Bicarbonate
Term
Syringomyelia
Definition
CSF drainage form central canal of spinal cord is disrupted -> fluid filled cavity that compresses surrounding neural tissues
Most common causes: Arnold Chiari Malformation or SCI

Muscle weakness, sensory loss in upper extremities, impaired pain and temp sensations
Term
Mucormycosis
Definition
Cause: Rhizopus

rhino-orbital-cerebral infection

Tx: Surgical Debridement + Amphotericin B
Term
Acute Glaucoma Tx
Definition
Reduce increased intraocular pressure
Mannitol
acetazolamide
Timolol
Pilocarpine

(Avoid Atropine!!)
Term
IgA Nephropathy vs Post-Strep Glomerulonephritis
Definition
IgA - hematuria <5 days after URI, complement normal

Post-strep - hematuria 10 days after pharyngitis, 21 days after Impetigo
Term
MMR vaccine in HIV patients?
Definition
With CD4 conts >200 and w/out hx or evidence of AIDS-defining illness
Term
Macular Degeneration
Definition
Pts >50yo
Progressive and Bilateral loss of central vision
Results from degeneration and atrophy of outer retina, retinal pigment epithelium, Bruch's membrane and choriocapillaries
Term
Antisocial Personality Disorder
Definition
Disregard for and violation of rights of others. Begins by middle adolescence and continues into adulthood.
Aggressive, impulsive, difficulty maintaining employment.
Term
Tension pneumothorax
Definition
Tachypnea
Tracheal deviation away from affected side
Neck vein distention
Decreased breath sounds and hyperresonance to percussion on affect side
Term
Turcot's Syndrome
Definition
Association between brain tumors and Familial Adenomatous polyposis or HNPCC

FAP - Medulloblastomas
HNPCC - High grade Gliomas
Term
Succinylcholine
Definition
Depolarizing neuromuscular blocker used during rapid-sequence intubation because rapid onset.
Can cause K release, arrhythmias - should not be used in pts with high risk for hyperkalemia - burn or crush injuries, Guillain-Barre, Tumor Lysis syndrome
Term
Cystathionine Synthase Deficiency
Homocystinuria
Definition
Autosomal Recessive
Results from erros in methionine Metabolism
Classic Homocystinuria = Marfan's + thromboembolic event
Term
ALS
Definition
Upper and Lower motor neurons lesions
Spasticity, bulbar symptoms
exaggerated deep tendo reflexes -> upper motor lesions
Fasciculations -> lower motor lesions
Term
Idiopathic TTP-HUS
Definition
unexplained hemolytic anemia and thrombocytopenia in pt w/ renal failure and neurologic symptoms
Tx: Plasmapheresis (plasma exchange)
Term
Pulmonary Contusion
Definition
Parenchymal bruising of the Lungs
CSR - patchy irregular alveolar infiltrate
ABG - hypoxemia
Term
Hydatid Cyst
Definition
Infection with Echinococcus granulosus
Contracted from close contact with Dogs
CT - "eggshell"
Aspirations no indicated due to risk of anaphylactic shock
Term
Hereditary Spherocytosis
Definition
Autosomal Dominant
Defect in erythrocyte membrane - spectrin
Anemia, spherocytosis, splenomegaly, increased osmotic fragility, Target cells, increased retic count
Should be supplemented with folic acid
Term
Bupropion
Definition
Treatment for Depression
inhibits NEpi and Dopamine reuptake
Not associated with sexual side effects
Term
Buspirone
Definition
Treat Anxiety
Not associated with sexual side effects
Term
Treatment for Postpartum Hemorrhage
Definition
Administer Oxytocin immediately
Fundal or bimanual massage
IV access
Crystalloid infusion to keep SBP >90
PRBCs
Term
Membranoproliferative Glomerulonephritis
Definition
Dense Intramembranous deposits that stain for C3
Caused by IgG antibodies directed against C3 convertase or Alternative Pathway
Term
Focal and Segmental Glomerulosclerosis
Definition
Heavy Protinuria, Rapid Renal Failure
Most common form of kidney damage in HIV
Term
Borderline Personality
Cluster B
(Dramatic, Emotional)
Definition
Unstable interpersonal relationships and marked impulsivity
Swing between devaluing and idealizing others
Wholly Good or Wholly Bad
Term
Absence Seizures TOC
Definition
Ethosuximide and Valproic Acid
Term
MEN IIA
Definition
Pheochromocytoma
Medullary carcinoma of Thyroid
Hyperparathyroidism

All have C-cell hyperplasia -> increased serum calcitonin levels
**Measure Serum Calcitonin levels**
Term
Central Retinal Artery Occlusion
Definition
Secondary to Embolism
Painless loss of monocular vision
Risks:
CAD, Endocarditis, CVD, long bone fracture, hypercoagulable, vaxculitis

Immediate intervention -> ocular massage + high flow O2
Term
Tuberoinfundibular Pathway
Definition
Neurons secrete Dopamine, which inhibits prolactin release from anterior pituitary

Dopamine antagonist limit dopamine's ability to inhibit prolactin -> increased prolactin levels
Term
Side effects of Protease Inhibitors
(Indinavir)
Definition
Crystal-induced nephropathy
Term
Osteosarcoma
Definition
Most common primary Bone tumor in kids and young adults.
Boys 13-16
Occurs at metaphyses of long bones
Term
Poison Ivy
Definition
Cell Mediate Hypersensitivity reaction
Term
Paraneumonic Effusion
Definition
Occurs from Pneumonia
pH - <7.2 indicates empyema and indicates removal of fluid
Term
Apple-green birefringence under polarized light after congo red stain
Definition
Amyloidosis
Term
Lynch Syndrome II
Definition
associated with Endometrial carcinoma
Term
Common Findings seen in Anorexia Patients
Definition
1. Osteoporosis
2. increased cholesterol and carotene levels
3. Prolong QT interval
4. Euthyroid sick syndrome
5. H-P Axis dysfunction -> anovulation, amenorrhea
6. Hyponatremia - excess water drinking
Term
Torus Palatinus
Definition
Chronic growth of hard palate
Term
Mass in Middle Mediastinum
Definition
Bronchogenic Cysts
Tracheal Tumors
Pericardial Cysts
Lymphoma
Lymph node enlargement
Aortic aneurysms
Term
Mass in Anterior Mediastinum
Definition
Thymoma
Term
Mass in Posterior Mediastinum
Definition
Neurogenic Tumors
Term
Negative Symptoms of Schizophrenia
Definition
5 A's
Affective Flattening
Alogia
Apathy
Asociality
Attention

Best controlled with Atypical Antipsychotics:
Risperidone
Clozapine
Olanzapine
Term
Aplastic Crisis
Definition
Transient arrest of erythropoiesis
Severe drop in Hgb and absence of reticulocytes on peripheral smear
Term
Amaurosis Fugax
Definition
Visual loss - monocular and transient
"like a curtain falling down"
Caused by retinal emboli from ipsilateral carotic artery
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