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(Single Best Answer) Question 1: A 70-yeard old male patient presented to the emergency department with pain in epigastrium and difficult in breathing for 6 hours. On examination, his heart rate was 56 per minute and the blood pressure was 106/60 mm Hg. Chest examination was normal. The patient has been taking omeprazole for gastroesophageal reflux disease for last 6 months. What should be the initial investigation ?
A) An ECG
B) An upper GI endoscopy
C) Urgent ultrasound of the abdomen
D) An x-ray chest
Answer (Select an option above to get the answer):
(Single Best Answer) Question 2: The most definitive method of diagnosing pulmonary embolism is ?
A) Pulmonary arteriography
B) Radioisotope perfusion pulmonary scintigraphy
C) EKG
D) Venography
Answer (Select an option above to get the answer):
(Single Best Answer) Question 3: A young female presents with history of dyspnoea on exertion. On examination, she has a wide, fixed split of S2 with ejection systolic murmur (III/IV) in left second intercostal space. Her EKG shows left axis deviation. The most probable diagnosis is ?
A) Total anomalous pulmonary venous drainage
B) Tricuspid atresia
C) Ostium primum atrial septal defect
D) Ventricular septal defect with pulmonary artery hypertension
Answer (Select an option above to get the answer):
(Single Best Answer) Question 4: In a patient with wide-complex tachycardia, the presence of all of the following in the ECG indicates ventricular tachycardia except ?
A) Atrioventricular dissociation
B) Fusion beats
C) Typical right bundle branch block
D) Capture beats
Answer (Select an option above to get the answer):
(Single Best Answer) Question 5: A 55 year old man, a chronic smoker is brought to emergency with history of polyuria, polydipsia, nausea and altered sensorium for last two days. He had been diagnosed as having squamous cell carcinoma of lung two months prior to this. On examination, he was lethargic and confused. An ECG was normal except for a narrowed QT interval. Which one of the following is the most likely metabolic abnormality ?
A) Hypernatremia
B) Hypercalcemia
C) Hypokalemia
D) Hyponatremia
Answer (Select an option above to get the answer):
(Single Best Answer) Question 6: All of the following may cause ST segment elevation on EKG, except ?
A) Early repolarization variant
B) Constrictive pericarditis
C) Ventricular aneurysm
D) Prinzmetal angina
Answer (Select an option above to get the answer):
(Single Best Answer) Question 7: The ECG of a 40 year old male was recorded using standard bipolar limb leads. The sum of voltages of the three standard leads was found to be 5 millivolts. This indicates ?
A) A normal heart
B) Right ventricular hypertrophy
C) Left ventricular hypertrophy
D) Increased cardiac muscle mass
Answer (Select an option above to get the answer):
(Single Best Answer) Question 8: All of the following are the electrocardiographic features of hyperkalemia, except ?
A) Prolonged PR interval
B) Prolonged QT interval
C) Sine wave pattern
D) Loss of P waves
Answer (Select an option above to get the answer):
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