Dr. Usman's Cardiology Notes

    Infection Prevention & Control Assessment   Total MCQs = 30   Key is given at the end.   1.   What is the primary objective of environmental cleaning in healthcare settings according to WHO?         A. To maintain a pleasant smell in patient areas          B. To meet hospital accreditation standards         C. To remove dirt and reduce the presence of microorganisms         D. To reduce laundry workload   2.   Which of the following surfaces requires the most frequent cleaning?         A. Walls         B. Bed rails         C. Ceilings         D. Windows   3.   According to WHO guidelines, how often should high-touch surfa...

Watch Echocardiography MCQs Quiz Part 2 ECHOCARDIOGRAPHY BOARD REVIEW

 Here are multiple choice questions (MCQs) in cardiology with detailed answers: 1. Which of the following is the most common cause of acute myocarditis?    A) Coxsackievirus B) Streptococcus pneumoniae C) Staphylococcus aureus D) Mycobacterium tuberculosis    Answer: A) Coxsackievirus    Explanation: Coxsackievirus is the most common viral cause of acute myocarditis, leading to inflammation of the heart muscle. 2. What is the characteristic ECG finding in patients with Brugada syndrome?    A) Prolonged QT interval B) ST-segment elevation in leads V1-V3 C) Tall peaked T waves D) Presence of Osborn waves    Answer: B) ST-segment elevation in leads V1-V3    Explanation: Brugada syndrome is characterized by ST-segment elevation in leads V1-V3, often resembling a coved-type pattern. 3. Which of the following is NOT a major criterion for the diagnosis of infective endocarditis according to the modified Duke criteria?  ...

    Attempt the MCQs given in the above Video and score yourself out of 10 Here are more MCQs to practice: (Answers given in the end) 1. Which echocardiographic modality is most suitable for assessing the hemodynamic significance of coronary artery disease by visualizing myocardial perfusion?    a) Strain echocardiography    b) Contrast echocardiography    c) Intracardiac echocardiography    d) Three-dimensional echocardiography 2. Which Doppler echocardiographic parameter is commonly utilized to quantify the severity of aortic stenosis?    a) Peak systolic velocity    b) E-wave deceleration time    c) E/e' ratio    d) Transmitral pressure gradient 3. Which echocardiographic technique is preferred for assessing left ventricular dyssynchrony in patients with heart failure?    a) Tissue Doppler imaging    b) Speckle tracking echocardiography    c) Intravascular ultrasoun...

A 67-year-old woman with a past medical history of paroxysmal atrial fibrillation for the last 10 years is brought to the hospital with episodes of syncope. Her medications include metoprolol, flecainide, and rivaroxaban. Baseline electrocardiogram showing sinus bradycardia with heart rate 40/min. Which of the following is the next best step in the management of this patient? A. Hold metoprolol and flecainide B. Permanent pacemaker placement C. Observation only D. Switch flecainide to dofetilide Click the button below to view answer: Show Answer

A 67-year-old man presents to the clinic for a follow-up appointment after being treated for an ST-elevation myocardial infarction. He developed ventricular arrhythmia while he was admitted to the intensive care unit and was twice defibrillated and received an amiodarone infusion. The patient also has mild persistent asthma and is on albuterol and fluticasone. He also just completed a 5-day course of oral azithromycin for community-acquired pneumonia. He is concerned about the bluish discoloration of his lips that was first noticed by his wife a few days ago. Which of the patient's recent medications is mot likely to have caused this clinical condition? A. Albuterol B. Fluticasone C. Azithromycin D. Amiodarone Click the button below to view answer: Show Answer

A 71-year-old woman with a past medical history of poorly controlled diabetes and coronary artery disease presents to the hospital with chest pain, diaphoresis, and hypotension. He is found to have anterolateral ST-elevation myocardial infarction (STEMI). Emergent percutaneous coronary intervention (PCI) is performed and Impella 2.5 is placed in the cath lab due to cardiogenic shock. 2 hours later, her urine noticed to be bloody in the urine bag. Which of the following indices is most likely to be elevated in this patient? A. Hematocrit B. Haptoglobin C. Chloride D. HCO3 Click the button below to view answer: Show Answer

An asymptomatic 20-year-old woman is incidentally found to have a bicuspid aortic valve. Fusion of the left and right coronary cusps is noted and there is moderate stenosis with a peak echocardiogram gradient of 3.2 meters/second. There is also mild aortic insufficiency. The left ventricular size is normal and the ejection fraction is 62%. The ascending aorta measures 3.8 cm. Her past history is significant for hypothyroidism and short stature. Which of the following is the next best step in the management of this patient? A. Cardiac MRI B. Exercise testing C. Chromosome analysis with a karyotype D. Cardiac catheterization Click the button below to view answer: Show Answer

A 67-year-old male presents to the emergency department with substernal chest pain. After initial investigations, the medical team decides whether to proceed with angioplasty or thrombolytics. Based on the results of the PAMI-1 (Primary Angioplasty in Myocardial Infarction) trial, when compared to thrombolytics in ST-segment elevation myocardial infarction (STEMI), percutaneous balloon angioplasty was associated with which of the following? A. Higher in-hospital mortality B. Similar rates of cerebral vascular accidents C. Similar rates of repeat re-vascularization D. Higher event-free survival Click the button below to view answer: Show Answer

A patient with diabetes mellitus has been found to have high blood pressure. Which of the following antihypertensives can worsen diabetes? A. Furosemide B. Hydrochlorothiazide C. Lisinopril D. Spironolactone Click the button below to view answer: Show Answer

A 65-year-old woman presents to the outpatient department with complaints of fatigue and shortness of breath for the past four and a half months. The patient has a past medical history of breast cancer, diabetes mellitus, and gastroesophageal reflux disease. Her breast cancer was treated with a combination of radiation and chemotherapy and is now in remission. Her other medications include ranitidine and metformin. She has never traveled outside the United States. Her blood pressure is 130/70 mmHg, the pulse is 79/min and the temperature is 98.6 F (37 C). General physical examination shows conjunctival pallor, pedal edema and a rise in jugular venous pressure following inspiration. What is the definitive management of the patient’s condition? A. Cardiac transplant B. Myomectomy C. Pericardiotomy D. Pericardiectomy Click the button below to view answer: Show Answer