Cardiology

Cardiology UK Medical PG Question 1: A 42-year-old woman presents with fatigue, muscle aches, and widespread pain. She has multiple tender points but normal inflammatory markers. Sleep is poor. What is the most appropriate initial treatment?

• A. NSAIDs
• B. Prednisolone
• C. Pregabalin (Correct Answer)
• D. Methotrexate
• E. Physiotherapy alone

Cardiology Explanation: ***Pregabalin*** - **Pregabalin** is a **gabapentinoid** drug that modulates voltage-gated calcium channels, decreasing the release of excitatory neurotransmitters involved in central pain sensitization characteristic of **fibromyalgia**. - It is one of the FDA-approved medications (along with duloxetine and milnacipran) specifically recommended for managing the **widespread pain** and associated symptoms like **poor sleep** in fibromyalgia. *NSAIDs* - Non-steroidal anti-inflammatory drugs (NSAIDs) target inflammatory pain, which is generally absent in **fibromyalgia** as evidenced by **normal inflammatory markers**. - NSAIDs are usually **ineffective** in treating the centralized pain and hyperalgesia seen in this condition, making them a poor choice for monotherapy. *Prednisolone* - **Prednisolone** is a powerful corticosteroid used for conditions driven by **inflammation** (e.g., active arthritis or vasculitis). - The patient has normal inflammatory markers and a clinical presentation consistent with a non-inflammatory central pain syndrome, making steroids **inappropriate** and potentially harmful. *Methotrexate* - **Methotrexate** is a **Disease-Modifying Anti-Rheumatic Drug (DMARD)** indicated for managing autoimmune inflammatory diseases like **Rheumatoid Arthritis** or **Psoriatic Arthritis**. - Since the patient does not show evidence of an inflammatory or autoimmune joint disease, this immunosuppressant drug treatment is **not warranted**. *Physiotherapy alone* - While non-pharmacological therapies like **aerobic exercise** and **Cognitive Behavioral Therapy (CBT)** are essential long-term components, they are often insufficient alone to manage severe initial symptoms, particularly **poor sleep** and disabling pain. - Initial treatment typically requires a combination of pharmacological agents (like **Pregabalin**) combined with supportive non-pharmacological management for optimal symptom control.

Cardiology UK Medical PG Question 2: A 57-year-old diabetic man presents with a non-healing foot ulcer for 3 months. Ankle-brachial pressure index is 0.3. What does this indicate?

• A. Normal arterial supply
• B. Mild arterial disease
• C. Moderate arterial disease
• D. Severe arterial disease (Correct Answer)
• E. Venous disease

Cardiology Explanation: ***Severe arterial disease*** - An **Ankle-Brachial Pressure Index (ABPI)** of **0.3** indicates severely reduced blood flow to the lower extremities. - This severe reduction in arterial supply is consistent with the patient's **non-healing foot ulcer** and diabetes, a major risk factor for peripheral arterial disease. *Normal arterial supply* - **Normal ABPI** values typically range from **0.90 to 1.30**, which is significantly higher than the given 0.3. - An ABPI of 0.3 suggests profound compromise, far from normal blood flow required for tissue healing. *Mild arterial disease* - **Mild arterial disease** is generally indicated by an **ABPI between 0.70 and 0.90**. - An ABPI of 0.3 is well below this range, signifying much more severe impairment of arterial flow. *Moderate arterial disease* - **Moderate arterial disease** corresponds to an **ABPI between 0.40 and 0.69**. - The patient's ABPI of 0.3 is lower than this range, indicating a more critical level of arterial obstruction. *Venous disease* - The **ABPI** is a diagnostic tool primarily used to assess **arterial insufficiency**, not venous disease. - While venous disease can cause ulcers, an ABPI of 0.3 specifically points to significant **peripheral arterial disease** as the underlying cause.

Cardiology UK Medical PG Question 3: A 43-year-old man presents with recurrent episodes of severe sweating, palpitations, and headache. His BP during episodes is 240/130 mmHg. What is the most appropriate preoperative management?

• A. Beta-blockers only
• B. Alpha-blockers only
• C. Alpha-blockers then beta-blockers (Correct Answer)
• D. ACE inhibitors
• E. Calcium channel blockers

Cardiology Explanation: ***Alpha-blockers then beta-blockers***- The clinical presentation (paroxysmal **hypertension**, headache, palpitations, and sweating) is highly suggestive of a **pheochromocytoma**.- Preoperative stabilization requires adequate **alpha-adrenergic blockade** first (e.g., phenoxybenzamine or doxazosin) to control blood pressure and allow for volume expansion, followed by **beta-blockade** to manage tachycardia or arrhythmias.*Beta-blockers only*- Using beta-blockers alone is contraindicated as it causes **unopposed alpha-adrenergic stimulation**, leading to severe **vasoconstriction** and potentially a fatal hypertensive crisis or pulmonary edema.- Beta-blockers are only instituted *after* achieving complete alpha-blockade and adequate blood pressure control, typically to manage persistent tachycardia.*Alpha-blockers only*- While alpha-blockade is the essential first step, it is usually insufficient for full preoperative management, as patients often require subsequent **beta-blockade** to control catecholamine-induced tachycardia and arrhythmias.- Complete preparation requires both classes of medication to fully mitigate cardiovascular risk before surgery.*ACE inhibitors*- These medications target the **renin-angiotensin-aldosterone system** and are ineffective at blocking the direct severe vasoconstrictive effects of excessive circulating catecholamines.- They may also increase the risk of severe **hypotension** after tumor removal if the patient is relatively volume-depleted from prolonged vasoconstriction.*Calcium channel blockers*- While some CCBs (like nicardipine) can be used as **adjuncts** for blood pressure control, they cannot replace the mandatory initial step of **alpha-adrenergic blockade** and volume repletion.- They do not address the need for full adrenergic receptor blockade necessary to prevent cardiovascular catastrophe during surgical manipulation of the tumor.

Cardiology UK Medical PG Question 4: A 52-year-old woman presents with progressive dysphagia and weight loss. She has tight skin on her hands and face. ANA shows nucleolar pattern. What is the most concerning systemic complication?

• A. Renal crisis
• B. Pulmonary hypertension (Correct Answer)
• C. Cardiac arrhythmias
• D. Digital ulceration
• E. Arthritis

Cardiology Explanation: ***Pulmonary hypertension*** - This patient's presentation with **dysphagia**, **tight skin on hands and face**, and **nucleolar ANA pattern** strongly suggests systemic sclerosis, particularly the limited cutaneous form. - **Pulmonary hypertension** is a common and severe life-threatening complication of systemic sclerosis, especially in the limited cutaneous subtype, requiring vigilant screening and management. *Renal crisis* - **Scleroderma renal crisis** is a severe complication, but it is more frequently associated with **diffuse cutaneous systemic sclerosis** and anti-RNA polymerase III antibodies. - It presents with **malignant hypertension** and rapidly progressive renal failure, which is not suggested as the primary concern here. *Cardiac arrhythmias* - While **cardiac involvement** like myocardial fibrosis and pericarditis can occur in systemic sclerosis, **cardiac arrhythmias** are typically not the most concerning life-threatening systemic complication. - They are less common as a primary life-threatening event compared to **pulmonary hypertension**. *Digital ulceration* - **Digital ulceration** is a common localized vascular manifestation of systemic sclerosis due to **Raynaud's phenomenon** and small vessel disease. - Though it can cause pain, infection, and significant morbidity, it is not considered the most concerning **systemic life-threatening complication**. *Arthritis* - **Arthritis** or arthralgia can occur in systemic sclerosis, often affecting small joints and typically **non-erosive**. - While it contributes to discomfort, it is not considered a major **life-threatening systemic complication** compared to visceral organ involvement like pulmonary hypertension.

Cardiology UK Medical PG Question 5: A 41-year-old man presents with progressive weakness in his hands and arms over 12 months. He has muscle fasciculations and hyperreflexia. EMG shows both acute and chronic denervation changes. What is the prognosis?

• A. Excellent with treatment
• B. Good with supportive care
• C. Variable depending on subtype
• D. Poor with 3-5 year survival (Correct Answer)
• E. Stable with medication

Cardiology Explanation: ***Poor with 3-5 year survival*** - The presentation with **progressive weakness**, **muscle fasciculations** (lower motor neuron sign), and **hyperreflexia** (upper motor neuron sign), along with mixed **acute and chronic denervation** on EMG, is highly characteristic of **Amyotrophic Lateral Sclerosis (ALS)**. - **ALS** is a rapidly progressive neurodegenerative disease, and the typical survival time from diagnosis is **3 to 5 years**, often due to respiratory failure. *Excellent with treatment* - **ALS** is an incurable disease, and current treatments such as **Riluzole** or **Edaravone** only offer a modest slowing of disease progression or symptom management, not an excellent prognosis. - There is no known treatment that can halt or reverse the neurodegeneration characteristic of **ALS**. *Good with supportive care* - While **supportive care** (e.g., respiratory support, physical therapy, nutritional guidance) is essential for managing symptoms and improving quality of life in **ALS**, it does not alter the underlying progressive and fatal nature of the disease. - The relentless degeneration of motor neurons continues despite comprehensive supportive measures, leading to eventual paralysis and death. *Variable depending on subtype* - While there are different clinical presentations (e.g., bulbar vs. limb onset) and genetic forms of **ALS**, the overall prognosis for classic **ALS** is uniformly poor. - Although a small percentage of patients may have a longer survival, the vast majority follow a progressive course with a limited life expectancy, making a

Cardiology UK Medical PG Question 6: A 56-year-old man presents with progressive dyspnea and chest tightness. He works in coal mining. Chest X-ray shows bilateral upper lobe nodules. What is the most likely diagnosis?

• A. Lung cancer
• B. Silicosis
• C. Coal worker's pneumoconiosis (Correct Answer)
• D. Tuberculosis
• E. Sarcoidosis

Cardiology Explanation: ***Coal worker's pneumoconiosis***- This diagnosis is strongly supported by the patient's occupational exposure to **coal dust** and the progressive respiratory symptoms like **dyspnea** and **chest tightness**.- The characteristic Chest X-ray finding of bilateral, often small, **pulmonary nodules** predominantly located in the **upper lung zones** is classic for this condition.*Lung cancer*- Although coal miners have an increased risk of lung cancer, the presentation of diffuse **bilateral small nodules** is more typical of a pneumoconiosis than primary malignancy.- Lung cancer usually manifests as a single, dominant mass, or less commonly as reticulonodular interstitial disease, not typically as diffuse, symmetrical small nodules.*Silicosis*- Silicosis is caused by the inhalation of **crystalline silica** dust, prevalent in occupations like sandblasting or quarrying, which differs from pure coal mining exposure.- While silicosis also causes upper lobe nodules, it often presents radiologically with **"eggshell" calcification** of the hilar lymph nodes, a finding not specified in this case.*Tuberculosis*- Although **post-primary TB** targets the upper lobes, generalized diffuse nodularity suggests pneumoconiosis rather than a primary mycobacterial infection.- TB typically presents with systemic symptoms like **fever**, **night sweats**, and **weight loss**, which are not mentioned in this patient's presentation.*Sarcoidosis*- Sarcoidosis is a systemic disease of unknown etiology characterized by **non-caseating granulomas** and classically presents with **bilateral hilar lymphadenopathy (BHL)** on chest imaging.- The strong history of **coal mining** is the key factor favoring an occupational lung disease over sarcoidosis, as BHL is also absent.

Cardiology UK Medical PG Question 7: A 61-year-old man presents with progressive dyspnea and fatigue. Echocardiogram shows severe aortic stenosis with valve area $0.5\mathrm{cm}^2$. He develops syncope during exercise testing. What is the most appropriate management?

• A. Medical management
• B. Balloon aortic valvuloplasty
• C. Urgent aortic valve replacement (Correct Answer)
• D. Heart transplantation
• E. ICD insertion

Cardiology Explanation: ***Urgent aortic valve replacement*** - The patient has **severe aortic stenosis** (valve area $0.5\mathrm{cm}^2$) and is highly symptomatic, indicated by **syncope during exercise**, which significantly increases the risk of sudden cardiac death. - **Aortic valve replacement (AVR)** or TAVR is the definitive and urgent treatment required for symptomatic severe AS to alleviate symptoms and improve survival. *Medical management* - Medical therapy does not treat the underlying **fixed mechanical obstruction** of the aortic valve, making it ineffective for severe symptomatic AS. - Relying solely on medical management in this scenario leads to a very poor prognosis due to the high risk of **sudden cardiac death**. *Balloon aortic valvuloplasty* - BAV is primarily a temporary measure, often used as a **bridge to AVR/TAVR** or in hemodynamically unstable patients, due to its high rate of restenosis. - Given the patient is likely a surgical candidate, BAV is not considered the **definitive long-term solution** for severe AS. *Heart transplantation* - Heart transplantation is reserved for **end-stage heart failure** that is refractory to other medical and surgical options. - The primary pathology (severe AS) is surgically addressable via AVR, making transplantation an **inappropriate** initial therapy. *ICD insertion* - Syncope in severe AS is typically due to **flow limitation** and **exertional hypotension** caused by the fixed obstruction, rather than primary ventricular tachyarrhythmias. - Treating the underlying mechanical pathology with AVR resolves the cause of the syncope and the high risk of sudden death; therefore, an **ICD is not indicated**.

Cardiology UK Medical PG Question 8: A 55-year-old woman presents with progressive dyspnea and fatigue. Echocardiogram shows severe aortic regurgitation with LV end-systolic dimension 58mm and EF 48%. She is asymptomatic at rest. What is the most appropriate management?

• A. Medical management
• B. Aortic valve replacement (Correct Answer)
• C. ACE inhibitors and monitoring
• D. Exercise stress testing
• E. Cardiac catheterization

Cardiology Explanation: ***Aortic valve replacement*** - The patient presents with **severe aortic regurgitation** and objective evidence of **left ventricular (LV) dysfunction** (EF 48% < 50%) and **LV dilatation** (end-systolic dimension 58mm > 50-55mm). These findings are Class I indications for **aortic valve replacement**, even in an asymptomatic patient. - Surgical intervention is crucial to prevent irreversible myocardial damage and improve long-term outcomes in chronic **severe aortic regurgitation** once these thresholds for LV impairment are met. *Medical management* - Medical management is typically reserved for patients with **mild to moderate aortic regurgitation** or those with severe AR but **preserved LV function** and no significant LV dilatation who are asymptomatic. - It does not address the underlying mechanical defect of the **aortic valve** and will not reverse the progressive LV remodeling and dysfunction. *ACE inhibitors and monitoring* - While ACE inhibitors can be considered for management of hypertension or symptomatic heart failure in some AR patients, they are not the definitive treatment for **severe aortic regurgitation** with established LV dysfunction. - **Monitoring alone** is inappropriate given the significant LV remodeling and dysfunction, which necessitate surgical intervention to prevent further irreversible damage. *Exercise stress testing* - Exercise stress testing is primarily used to unmask symptoms in **asymptomatic patients** with severe valve disease (e.g., aortic stenosis or regurgitation) and **preserved LV function** to assess their functional capacity and guide surgical timing. - In this case, the patient already has clear echocardiographic evidence of **LV dysfunction** (EF 48%) and significant **LV dilatation** (ESD 58mm), which are direct indications for surgery, rendering stress testing unnecessary for decision-making. *Cardiac catheterization* - **Cardiac catheterization** is primarily a diagnostic procedure performed to assess for **coronary artery disease** (CAD) in patients undergoing cardiac surgery, especially in older individuals or those with CAD risk factors. - It is not the definitive management for **aortic regurgitation** itself but may be a pre-operative step. The primary treatment remains valve replacement.

Cardiology UK Medical PG Question 9: A 53-year-old woman presents with progressive dyspnea and fatigue. Echocardiogram shows severe mitral regurgitation with flail posterior leaflet. LV function is normal but LV end-systolic dimension is 45mm. What is the most appropriate management?

• A. Medical management
• B. Mitral valve replacement
• C. Mitral valve repair (Correct Answer)
• D. Heart transplantation
• E. Balloon valvuloplasty

Cardiology Explanation: ***Mitral valve repair***- Repair is the preferred management for **severe primary mitral regurgitation (MR)**, especially when the mechanism is degenerative (like a **flail leaflet**), as it provides better long-term survival and preserves native annular-ventricular continuity.- Surgery is mandated because the patient is **symptomatic** (dyspnea and fatigue) and meets criteria for severe MR (along with an **LVESD of 45 mm**, which is an independent indication for surgery even in asymptomatic patients with preserved LVEF).*Medical management*- Medical management (e.g., ACE inhibitors/beta-blockers) is appropriate only for **asymptomatic patients** who do not meet surgical LV dimensional or functional thresholds.- It is **insufficient** to halt the progression or reduce mortality in symptomatic severe primary MR, which requires definitive surgical correction.*Mitral valve replacement*- Replacement is reserved for valves deemed **unrepairable** due to extensive destruction, calcification, or complex pathology.- Repair is favored because it avoids the risks associated with prosthetic valves, such as lifelong **anticoagulation** (for mechanical valves) and prosthetic valve dysfunction.*Heart transplantation*- This procedure is reserved for **end-stage heart failure** (NYHA Class III/IV symptoms) that is refractory to all other medical and surgical therapies.- The patient has **normal LV function** (preserved LVEF), making transplantation completely unnecessary and inappropriate.*Balloon valvuloplasty*- This intervention is the primary treatment for severe, pliable **mitral stenosis**, most commonly due to rheumatic disease.- It is **contraindicated** in severe MR, particularly MR secondary to leaflet prolapse or flail, as it would worsen the severity of the regurgitation.

Cardiology Flashcard 1 of 10

Question: Heart failure is categorised into _____, mildly reduced, and preserved ejection fraction

Answer: reduced

Cardiology Flashcard 2 of 10

Question: 1st Line antiplatelet therapy in PCI _____

Answer: Aspirin (lifelong) & prasugrel or ticagrelor (12 months)

Cardiology Flashcard 3 of 10

Question: The managment of ARVC involves _____

Answer: Sotalol Catheter Ablation ICD

Cardiology Flashcard 4 of 10

Question: Coarctation of the Aorta is associated with having a _____

Answer: bicuspid aortic valve

Cardiology Flashcard 5 of 10

Question: Management for a term infant with clinically significant PDA is _____

Answer: transcatheter PDA closure

Cardiology Flashcard 6 of 10

Question: What syndrome is associated with Coarctation of the Aorta _____

Answer: Turner's Syndrome

Cardiology Flashcard 7 of 10

Question: Coactation of the Aorta gives rise to _____

Answer: Notching of the inferior border of the ribs

Cardiology Flashcard 8 of 10

Question: What is adminstered in management of coarctation of the aorta _____

Answer: Prostaglandin

Cardiology Flashcard 9 of 10

Question: _____ can cause bronchiolitis to be more severe

Answer: Congenital Heart Disease

Cardiology Flashcard 10 of 10

Question: Preterm infants with haemodynamically significant PDA 1 week after birth give _____ to promote duct closure

Answer: Ibuprofen/Indomethacin