A false positive guaiac may be caused by the presence of ___ Correct
Answer-Methylene blue
GI pathogens that cause bloody diarrhea (4) Correct Answer-
Campylobacter
E Coli O157
Yersinia
Salmonella
Clostridium perfringens Correct Answer-Gas gangrene
Late onset non-bloody diarrhea (from spores in dirt)
Yersinia enterocolitica Correct Answer-Usually transmitted from pet
feces (e.g., puppies), contaminated milk, or pork. Outbreaks are common
in day-care centers.
Sx can mimic Crohn's or appendicitis - bloody diarrhea, vomiting,
cramping RLQ
Campylobacter jejuni Correct Answer-#1 cause of watery or bloody
diarrhea in US
Usually from travel, PPI, undercooked meat, dairy
Fever, abdominal cramp, bloody diarrhea
,Similar to EIEC infection
E coli Correct Answer-ETEC: watery diarrhea
EHEC (O157): bloody diarrhea without fever
EIEC: watery > bloody diarrhea
Bloody diarrhea with thumb-print sign Correct Answer-Any sign of
bowel ischemia (ischemic bowel >> IBD, volvulus, diverticulitis)
#1 cause of upper and lower GI bleed in adults Correct Answer-Upper:
PUD
Lower: diverticulosis
Majority of diverticulosis bleeding is from __ colon Correct Answer-R
side
Indication for surgical removal of ingested foreign body Correct
Answer-Object hasn't moved distally in 24 hour observation
Symptomatic
Sharp object or batteries
CXR findings in aspiration of object Correct Answer-Hyperinflated
opposite lung
Atelectasis of affected lung
,A 22 year old running back is struck from behind by a 300-pound
lineman. The blow occurs below the knee as his foot is firmly planted
and two other lineman are holding his upper body. He presents to the
emergency department with gross anterior dislocation of the tibia on the
femur. His foot is cool and palee, and dorsalis pedis and posterior tibial
pulses are not detected by Doppler ultrasound. What is the most
appropriate management for this patient? Correct Answer-Immediate
reduction (neurovascular compromise) with ortho consult without x-rays
Burn rule of 9s Correct Answer-Head 9%
Each arm 9%
Chest 9%
Abdomen 9%
Each anterior leg 9%
Each posterior leg 9%
Upper back 9%
Lower back 9%
Genitals 1%
Treatment compartment syndrome Correct Answer-Emergency
escharotomy
Human bite microbes Correct Answer-Eikenella corrodens
Expanding intracranial epidural hemorrhage management Correct
Answer-Intubate and consult neurosurgery to take the patient to the OR
, Depression and IBD Correct Answer-IBD = higher rate of depression
and anxiety
A 42 year old male with end stage liver disease due to chronic hepatitis
C infection arrives to the emergency department in stable condition after
an unsuccessful suicide attempt by bilateral wrist laceration. He reports
no history of depression or psychiatric disorder. Aside from his liver
disease, for which he takes interferon alpha and ribavirin, he reports that
he is in good health and takes no other medications. Which of the
following factors increased this patient's risk of new-onset suicidal
ideation? Correct Answer-Depression and/ or suicidal ideation are
commonly reported side effects of interferon alpha therapy
Which of the following psychiatric disorders is associated with the
greatest increased risk of committing suicide?
Panic
PTSD
Schizophrenia
Depression Correct Answer-Panic disorder
Silent suicide Correct Answer-slowly killing oneself by nonviolent
means; starvation/noncompliance with essential tx
Populations with increased suicide risk Correct Answer-Old caucasian
people