Cause of acute lower abdominal pain, hematochezia and pale colonic mucosa with petechial bleeding
Ischemic colitis
Involvement of this joint by osteoarthritis gives a 'squared appearance' to the base of the thumb
First carpometacarpal joint
Most common cause of acute cyanide toxicity in industrialized countrie
Domestic fires (accept smoke inhalation)
Eponym for syndrome of chest pain, diffuse ST-segment elevation, PR depression and pericardial friction rub 2 weeks after MI
Dressler syndrome
Term for hypothyroidism resulting from paraneoplastic expression of type 3 iodothyronine deiodinase
Consumptive hypothyroidism
Most common symptom of eosinophilic esophagitis
Dysphagia for solid food
(Food stuck in throat)
Bone disease due to compromise of bone vasculature leading to bone death and mechanical failure
Osteonecrosis (aseptic necrosis, avascular necrosis, atraumatic necrosis, and ischemic necrosis)
Clinical condition resulting from excessive oxidation of heme iron to the ferric state
Methemoglobinemia
Most common objective finding of Lyme carditis
Atrioventricular conduction block (accept AV nodal block or AV block)
Pharmaceutical agent used in rapid sequence intubation that decreases cortisol production for 24 to 48 hours
Etomidate
Syndrome characterized by common hepatic duct obstruction caused by an extrinsic compression from an impacted stone in the cystic duct
Mirizzi syndrome
Syndrome of neck pain associated with calcium phosphate deposition disease and atlantoaxial joint calcifications on radiography
Crowned dens syndrome
Receptor competitively inhibited by flumazenil
Gamma-amino-butyric-acid (accept GABA)
Term for intermittent and irregular jugular venous pulsations of greater amplitude than normal, reflecting simultaneous atrial and ventricular contraction
Cannon A waves
Syndrome with Parkinsonian features and pronounced autonomic nervous system failure
Multi-system atrophy (accept Shy-Drager syndrome; olivopontocerebellar atrophy; striatonigral degeneration)
Maddrey Discriminant Function score threshold to initiate steroids in alcoholic hepatitis
32 or greater
Class of biological agents most commonly associated with drug-induced lupus
Tumor necrosis factor antagonists (accept TNF antagonists)
Argyria refers to toxicity caused by this substance
Silver
Heart failure therapy involving biventricular pacing to improve cardiac output
Cardiac resynchronization
Lipid abnormality associated with 'pseudo-metabolic acidosis'
Hypertriglyceridemia
high levels of triglycerides interfere with the enzymatic assays used to measure bicarbonate, leading to spuriously low bicarbonate values.
Syndrome of gastrointestinal bleeding from angiodysplasia in the presence of aortic stenosis
Heyde syndrome
Disease in which presence of the melanoma differentiation-associated gene 5(MDA5) antibody is associated with rapidly progressive interstitial lung disease
Dermatomyositis
Neurologic injury due to excessive use of inhaled nitrous oxide is caused by inactivation of this vitamin
B12 (accept cyanocobalamin)
Cardiac abnormality associated with platypnea-orthodeoxia syndrome
Interatrial shunt (accept patent foramen ovale (PFO); atrial septal defect; fenestrated atrial septal aneurysm)
Antibiotic treament of choice for infection with the waterborne intestinal protozoan Cyclospora cayetanensis
Bactrim