A 3-mo-old female infant has a history of poor feeding, shortness of breath during feedings, failure to thrive, and chronic cough. Physical examination reveals tachycardia and a gallop rhythm but no murmur. There is hepatomegaly but no cyanosis. A chest radiograph reveals cardiomegaly. The most appropriate diagnostic test is:
A: Echocardiogram
B: Electrocardiogram
C: Blood culture
D: Serum amino acids
E: Urine pH
A: Echocardiogram
B: Electrocardiogram
C: Blood culture
D: Serum amino acids
E: Urine pH
举一反三
- The diagnosis of phenylketonuria is () A: Analysis of plasma free amino acids B: Chromosome analysis C: Serum T3, T4 examination D: Blood electrolyte test E: Brain imaging examination
- A 45-year-old woman comes to the clinic complaining of shortness of breath and palpitation on exertion for 3 years. Physical examination reveals that cardiac dullness border enlarges laterally and inferiorly, and cardiac dullness border is boot-shaped. The cause for her symptoms is most likely to be A: aortic regurgitation B: cor pulmonale C: dilated cardiomyopathy D: isolated mitral stenosis E: hypertensive heart disease
- Cough, dyspnea or shortness of breath and chest pain are the three significant signs and symptoms of respiratory diseases.
- What exams usually should be done before surgery? A: blood test B: urine test C: chest X-ray D: ECG E: EEG F: MRI G: Blood pressure
- 中国大学MOOC: A 41-year-old man is admitted to the emergency department with complaints of shortness of breath, dizziness, and sharp chest pain. As shown in the following figure, the abnormal area in his chest radiograph indicates the region of pathology. What is this structure?【图片】