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Emergency Medicine

Instructions:
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Coffee bean signs on KUB for sigmoid volvulus - can also have cecal volvulus - 10% of LBO are sigmoid volvulus






2. Main cause - hernias and adhesions. Other causes: CA - IBD - bezoar - gallstones - intussusception - Ascaris worm if travel - - Diagnostic Tests = KUB --> look or air/ fluid - levels and dilated loops of bowel - also CT scan Labs: CBC - chem 7 - LF






3. Infection/bacterial overgrowth of particles in divertricula - risk factors: old age - low fiber diet - chronic constipation - - Mostly occurs in sigmoid colon - Dx: CBC - chem 7 - LFT's - Lipase/Amylase - UA - HCG - Abd CT scan - Can do KUb if suspe






4. ABC's - IV - O2 - cardiac monitor - Diuretics - Lasix - Lasix naive patients start at 20 mg IV - chronic users start at 40 mg IV - Morphine - Nitro if pain - Pressors prn






5. Renal colic - due to passing of a stone thru the ureter (don't cause pain in the kidney - asymptomatic) - pain due to ureteral spasm and obstruction of urine M: F - 3: 1 prevalence - Stones smaller than 5 mm have 90% chance of passing alone






6. BRADYCARDIA - due to depressed SA node act or delayed conduction - excessive beta blockers - HR < 50 BPM - Tx: Atropine - Pacing ready / defibrillator prn - treat underlying cause (electrolyte imbalance - drugs - hypothermia)






7. Troponin T or I - mores specific for heart. Tropoinin I stays elevated for 7-10 days - Troponin T stays elevated for 10-14 days - CK - MB: - peaks 20 hours after AMI (specific to cardiac muscle) - CPK - measures muscle breakdown so nonspecific






8. All cardiac arrest patients get 100% O2 - Room air= 21% - Nasal cannula O2 - raises FiO2 by 2-3% per liter. Normally give 1-6 Liters/minute - Non-rebreather mask --> you are receiving 100% O2






9. Especially O157: H7 causes enterohemorrhagic diarrhea. Inundercooked beef - complicated by hemolytic uremic syndrome and TTP






10. Infection of endocardium and/or heart valves due to Strep bacteria (viridans or aureus) and HACEK species - Risk factors: IVDU - structural heart abomality - prosthetic valve - rheumatic heart dz - HIV Tx: IV antibioticx x 4 weeks






11. Major criteria (2 each) - Positive blood cultures - Positive echo - Mass or abscess pressent Minor criteria - fevers - IVDU - roth spot (retinal hemorrhage) - Janeway lesions (nails) - Ostlers nodes (painful raised lesions on hands and feet)






12. Common complication after an AMI - S/S: edema - elevated JVP - hepatojugular reflux - pulm rales - rhochi - decrease BS - +/- cardiac murmurs - low O2 sat - elevated BNP






13. Def: Defect in the intimal layer of the aorta allows for blood to enter space between vascular layers - Risk actors: age - HTN - Connective tissue dz (marphans) - bicuspid aortic valve - coarctation of the aorta - inflam dz of aorta - atherosclerosi






14. School/work outbreak - Common viruses: rotavirus - norwalk - adenovirus - astrovirus - last 24 to 48 hours - ALWAYS DX as VOMITING AND DIARRHEA - never use the term viral gastroenteritis (CYA medicine) Tx: CBC - chem 7 - LFT's - lIpase - UA - general






15. Left coronary artery (short and branches quickly)






16. Accounts for 20% o all 3rd trimester bleeding - Placenta overlaps with the cervix near the os (complete - partial - vaginal -low lying) - S/s: bright red vaginal bleeding - painless - NO NOT PERFORM VAGINAL DIGITAL EXAM - risk factors: prior c sect






17. Risk Factors: PID - Mirena IUD - tubal surgery - pelvic surgery - endometriosis - IVF -DES exposure S/S - R or L adnexal tenderness - R shoulder pain could be referred pain from intraabdominal hemorrhage (gallbladder - liver also) - Workup -CBC - C






18. V1-V3 - V2-V4 Means LAD (left anterior descending) involved






19. 16-18 Gauge






20. At presentation: Age > 55 - WBC > 16 K - Glucose > 200 - LDH > 350 - AST > 250 At 48 hours - fall in HCT > 10 - increase in BUN > 5 - Ca < 8 - PaO2 < 60 - fluid deficit > 6 L


21. II - III - aVF - Means RCA involved






22. Same as Early miscarriage - os open - bleeding - but some POC's (prod of conception) expelled. TX: D & C Complete AB: same as miscariage - but OS closed and all POC's expelled






23. Start IVF resuscitaiton - IV access or IO as second option - Thready pulses indicate hypotension and poor perfusion - Check frequent BP to reassess






24. Rare STI - increaseing now - due to AIDs - S/S - rash or chancre - serologic testing of blood or CSF - TxL Benzathine penicillin or Doxy x 2 weeks






25. Shock to electrically terminate abnormal heart rate and restart. - The earlier a fibrillating heart is defibrillated - the more successful (survival drops by 10% with each minute)






26. Leads I - aVL - V4-V6 - Left circumflex artery






27. Placenta previa - vaginal/cervical trauma - polyps - genital infections - hemorrhoids - onset of labor (no fetal distress) - placental abruption (have fetal distress)






28. Look for ST elevation in at least 2 contiguous lead (at least 1mm) - may see a new LBBB - Reciprocal changes - T wave inversion (end of the infarct or old) - Q waves (old infarct)






29. Elevated Bp with signs of end organ damage to brain - eyes - heart or kidney. - Organ damage risk increases when diastolic Bp > 115-130 - HTN urgency if see high Bp but no signs of organ damage yet - Get a head CT ASAP!! Symptoms: Head: HA - confusio






30. Prolonged/ more severe angina that doens't resolve with rest - 50% triggered by event: stress - exercise - surgery - illness - More common in early am - substernal pain elephant in chest - crushing - heavy +/- radiation to left arm - jaw - neck - may






31. Chronic anticoagulation - Coumadin - Pradaxa/Dabigatran (no meds to reverse it) - Lovenox - ESLD / alcoholism (lack clotting factors) - NSAIDS (increase risk PUD and blood thinning) - Smoking






32. Right Coronary artery - SA node branch (anterior) - Acute marginal artery (anterior) - AV node branch (posterior) - Posterior descending artery (posterior)






33. Spontaneous abortion - Never CALL IT ABORTION IN FRONT OF PATIENT






34. Due to HSV-1 S/S: painful vesicles after 1-2 weeks of exposure - HA - fever - dysuria - myalgias. First outbreak lasts 2-3 weeks - likely to recur DxL PCR from vesicular fluid Tx: Acyclovir 400 mg po TID x 2 weeks or Valacyclovir x 10 days. Most pat






35. Incarcerated - means cannot reduce - Strangulated - bowel edema is compromosing blood flow






36. Chinese food bug - Fever - abdo pain - blood diarrhea - lasts x 1 week.Get from dirty wateror poultry - may cause/trigger Guillan Barre






37. Explosive - frothy and foul smellng diarrhea - Entamoeba hystlytica - crypto - isospora (HIV)






38. CXR - may see cardiomegaly - consolidation or effusions - Echo - look at wall motion - anuersysm - pericardial effusion - LV thrombus - Stress EcHO - CT Angiogram for Pulmonary Embolism!!!! (need good kidneys for dye) - can also do a spiral CT






39. Old age - chronic anticoagulation - divertriculosis






40. Emergency Medical Treatment and Active Labor Act - hospitals are obligated to screen/treat a patient in the ER regardless of insurance - if a emergency medical condition exists - they must stabilize the patient before transferring or d/c the patient






41. U GIB - ** DARK STOOLS - above the ligament of Treitz: Esophageal varices - Dieulafoy lesion - PUD - Mallory Weiss Tear - LGIB: ** BRight red blood - below lig of Treitz AVM (Atrio-venous malformation) -Divertriculitis - Meckel's divertriculum - colo






42. 'trier' - to separate - sift or select based on priority of condition






43. For any chest pain due to COCAINE USE!!! (because cocaine makes the arteries spasm)






44. Abnormal dilatation of the arterial wall - most common in abdominal area below renal arteries - risk factors; atherosclerosis - age - HTN - smoking - connective tissue dz - fam hx - hyperlipidemia - DM - S/S : often ASYMPTOMATIC - dull abd or back pa






45. Due to chromosomal abnormalities - check Rubella a) Threatened abortion if - 1st trimester vag bleed - < 20 weeks GA - os closed - membranes intact - some cramping. Tx - pelvic rest - bed rest - close OB GYN f/you b) Inevitable abortion - if < 20 wee






46. Given to any woman that is Rh Negative who is HCG positive and has any vaginal bleeding during pregnancy - to Rh Negative patients (prevent formation of anti Rh antibodies - against baby)






47. Sepsis due to urologic infection - common in elderly - 2 large bore IV - crystalloid IVF - Blood cultures - IV antibiotics - hosptial admission






48. LMA: Laryngeal Mask Airway - Cricothyroidotomy -surgical airway done as last resort when unable to maintain oxygenation with other methods






49. Pay attention to resp rate - breathing pattern (normal vs. agonic breaths) - O2 sats - goal is > 94% - Chest rise/tidal volume - Waveform Capnography: measures CO2 input and output. Best measure for assessing ventilation - Bag-valve-mask helps patie






50. Fluid filled sacs within the ovary - Common in infancy and teens - Causes: ovarian stimulation (in vitro fertilization) - hypothyroid - prego - PCOS