Name that Organism
What is the most common cause of osteomyelitis?
Staphylococcal aureus
What is the most accurate test of myocardial perfusion/ischemia?
Cardiac Catheterization
What is the name of a small deflection following the T wave?
U wave
What alternative antibiotic is used in the triple therapy regimen if the patient is allergic to penicillin?
Metronidazole
Name the sign often described as a darkening of the skin over time, largely in the axilla and posterior neck, and often associated with insulin resistance?
Acanthosis Nigricans
What bacteria is associated with scarlet fever?
Group A streptococcus, Streptococcus pyogenes
Which aortic dissection is considered a surgical emergency?
Ascending aortic dissection (Type A)
What diagnostic test is performed to exclude left atrial thrombi in patients with atrial fibrillation?
TEE
What is the most likely diagnosis in a patient with abdominal pain whose pain is resistent to analgesics and worsens with movement, and the physical exam is positive for rebound tenderness?
Peritonitis
A patient is found to be unable to abduct his left eye. Which nerve is most likely to be affected?
Abducens Nerve (Cranial Nerve 6)
What bacteria is associated with a contaminated water supply and presents as pneumonia?
Legionella pneumophila
What is the cutoff number of thrombolysis in myocardial infarction (TIMI) risk score for patients with unstable angina or non-ST elevation myocardial infarction (NSTEMI) who would benefit from an early invasive strategy?
3
What is the difference between Paroxysmal and Persistent Atrial Fibrillation?
Paroxysmal last less than 7 days, Persistent lasts longer than 7 days.
What is the most accurate diagnostic test for peptic ulcer disease?
Endoscopy
What vital sign differentiates cystitis from pyelonephritis?
Fever
What is the fungus that causes pneumonia almost exclusively in immunodeficient patients?
Pneumocystis jiroveci pneumonia
Name the scoring system to determine whether a patient with pulmonary embolism requires admission?
Pulmonary Embolism Severity Index (PESI)
Which conduction abnormality leads to a shift in axis between -45 to -90 degrees?
Left Anterior Fascicular Block (LAFB)
What is the most likely diagnosis in a patient who presents with chronic abdominal pain related to changes in bowel habits with a negative medical workup
Irritable Bowel Syndrome
A patient with MS suddenly bends her neck forward and feels electrical impulses running down her spine and into her extremities. What is the name of this sign?
Lhermitte's Sign
What was the most common cause of meningitis in young children before an effective vaccination was introduced in the 1980s?
Haemophilus influenza
What is the injected provocative substance during coronary angiography in diagnosing Prinzmetal's angina? (Name one.)
Ergonovine, Ergometrine, Methylergometrine, Methylergonovine, Methylergobasin, Acetylcholine
What is the structure that can be ablated in the macro-re-entrant right atrial circuit in typical atrial flutter?
Right atrial cavotricuspid isthmus
Which is the preferred first line imaging modality for diagnosis of mesenteric ischemia in a hemodynamically stable patient?
CT angiography without oral contrast
What pathologic physical exam finding disappears when a patient develops atrial fibrillation?
S4