In the electrocardiographic localization diagnosis of acute myocardial infarction,ST segment of V7-V9 leads elevation are seen in:()
Acute transmural anterior anterolateral wall ischemia
B. Anteroseptal ischemia
C. Inferior wall ischemia
D. Right-sided precordial
E. Posterior wall infarction
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What is most common cause of valvular disease? ()
A. Regression
B. Ischemic necrosis
C. rheumatic valvular disease
D. congenital abnormality
E. trauma
Which of the following options is characteristic sign of mitral stenosis? ()
A. The first sound is increased.
B. The second sound is splitting.
C. A third sound (S3) may be found.
Diastolic rumbling murmur at apex.
E. The cardiac dullness extends to leftward.
Which of the following is common microorganism causing Sub-acute Infective endocarditis ()? ()
A. staphylococcus
B. streptococcus
C. tubercle bacillus
D. gram-negative bacteria
E. fungus
which is arterial blood gas criteria of respiratory failure under the condition of room air breathing during rest at sea level of altitude. ()
A. PaO2
B. PaO2 ≤ 60mmHg and /or PaCO2>45mmHg
C. PaO2 50mmHg
D. PaO2 60mmHg
E. PaO2 45mmHg
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