07-30-2008, 12:26 PM
17. A 62-year-old woman is brought to the emergency department 1 hour after a 1-minute episode of loss of consciousness; her symptoms began when she stood up after she passed a dark, watery stool. She has had diarrhea and dark stools for 2 days. She has been receiving warfarin therapy for deep venous thrombosis for 2 weeks. On arrival, her blood pressure is 82/60 mm Hg, and pulse is 150/min and regular. She is unable to stand. The lungs are clear to auscultation. A grade 2/6 systolic murmur is heard at the second right intercostal space with no radiation. Examination shows a soft, nontender abdomen. There is 1+ edema of the right lower extremity with no tenderness. Test of the stool for occult blood is positive.
A
) Aortic stenosis
B
) Carotid sinus hypersensitivity
C
) Conversion reaction
D
) Hypertrophic obstructive cardiomyopathy
E
) Hypoglycemia
F
) Mitral valve prolapse
G
) Orthostatic hypotension
H
) Pulmonary embolus
I
) Seizure
J
) Vasovagal syncope
K
) Vertebrobasilar insufficiency
A
) Aortic stenosis
B
) Carotid sinus hypersensitivity
C
) Conversion reaction
D
) Hypertrophic obstructive cardiomyopathy
E
) Hypoglycemia
F
) Mitral valve prolapse
G
) Orthostatic hypotension
H
) Pulmonary embolus
I
) Seizure
J
) Vasovagal syncope
K
) Vertebrobasilar insufficiency