Review Book Info Flashcards
When should a decubitus CXR be performed?
To assess for a pleural effusion (freely mobile fluid forming layer on side of chest)
When should an anterior- posterior (AP) CXR be ordered?
Unstable patient (patient can’t stand up)
What is the best initial test for dissection of aorta?
CXR (PA film showing widening of aorta)
When is an abdominal X-ray indicated as a diagnostic test?
Suspected ileus or small bowel obstruction (multiple air-fluid levels)
What is the best initial test for suspected bowel perforation?
Upright CXR (air under diaphragm)
What is the best initial test for osteomyelitis?
Bone X-ray (elevation of periosteum)
What is the best initial test for severe head trauma with loss of consciousness or altered mental status?
Head CT without contrast
What is the best initial test for suspected intracranial bleeding?
Head CT without contrast
What is the best initial test for any form of intracranial mass lesion (cancer, abscess)?
Head CT with contrast
What should be done in a diabetic prior to imaging with contrast?
Stop metformin
What should be done before imaging with contrast in a patient with mild renal insufficiency?
- Hydrate with normal saline
2. Give bicarbonate or n-acetylcysteine
What is the most accurate test for diverticulitis (infection of diverticulum)?
Abdominal CT
What is the best initial test for pancreatitis of other pancreatic diseases?
Abdominal CT
What is the most accurate test for neprholothiasis (kidney stone)?
Abdominal CT
What is the best initial test for pulmonary embolism?
CT angiogram (spiral CT)
What is the most accurate test for osteomyelitis?
Bone MRI
What is the most accurate test for central nervous system disease except for hemorrhages?
MRI
What is the best initial test for gallbladder disease?
Ultrasound
What is the most accurate test to localize gastronomy in Zollinger-Ellison syndrome?
Endoscopic ultrasound
What is the most accurate test for detection of cholecystitis?
HIDA scan
What is the most accurate test to assess left ventricular ejection fraction?
MUGA scan (multiple gated acquisition scan)
A pt presents with red eye with thick purulent discharge and normal vision most likely suffers from…..
Bacterial conjunctivitis
A pt presents with red eyes (bilateral) with watery discharge associated with itchiness and preauricular lymphadenopathy most likely suffers from….
Viral conjunctivitis (easily transmissible)
What is the difference between dysphagia and odynophagia?
Dysphagia: difficult swallowing
Odynophagia: pain with swallowing
