Maxemo EMREE 26-27
A 55 y/o M presents to ED with severe chest pain radiating to the left arm. ECG reveals ST elevation in leads II, III, and aVF. Which coronary artery is most likely occluded?
💡 EXPLANATION:
ST elevation in leads II, III, and aVF indicates an inferior wall MI. This territory is supplied by the Right Coronary Artery (RCA) in approximately 85-90% of patients (right-dominant circulation).
A 23 y/o F presents with palpitations. Auscultation reveals a mid-systolic click followed by a late systolic murmur at the apex. The murmur intensity increases with the Valsalva maneuver. What is the most likely diagnosis?
Anonymous Quiz
43%
Mitral valve prolapse
17%
Aortic stenosis
13%
Mitral stenosis
26%
Hypertrophic cardiomyopathy
Maxemo EMREE 26-27
A 23 y/o F presents with palpitations. Auscultation reveals a mid-systolic click followed by a late systolic murmur at the apex. The murmur intensity increases with the Valsalva maneuver. What is the most likely diagnosis?
💡 EXPLANATION:
MVP is characterized by a mid-systolic click and late systolic murmur. Decreasing preload (Valsalva) causes earlier leaflet prolapse, accentuating the murmur. This distinguishes it from most murmurs, which decrease with Valsalva.
A 60 y/o M with a 40-pack-year smoking history presents with chronic productive cough and dyspnea. O/E: prolonged expiration. CXR shows hyperinflated lungs. Which investigation is required to confirm the diagnosis and grade severity?
Anonymous Quiz
27%
High-resolution CT chest
9%
Arterial blood gas
45%
Spirometry
18%
Peak expiratory flow rate
Maxemo EMREE 26-27
A 60 y/o M with a 40-pack-year smoking history presents with chronic productive cough and dyspnea. O/E: prolonged expiration. CXR shows hyperinflated lungs. Which investigation is required to confirm the diagnosis and grade severity?
💡 EXPLANATION:
Spirometry is the gold standard for confirming COPD diagnosis (post-bronchodilator FEV1/FVC < 0.70) and grading airflow limitation severity (GOLD guidelines). While CXR suggests hyperinflation, it is not diagnostic for obstruction.
65 y/o M smoker presents with chronic productive cough, dyspnea, and central cyanosis. Chest auscultation reveals bilateral rhonchi. ABG shows hypoxemia and hypercapnia. Which pathological change is the primary cause?
Anonymous Quiz
19%
Alveolar septal destruction
62%
Mucous gland hypertrophy
14%
Reversible bronchoconstriction
5%
Interstitial collagen deposition
Maxemo EMREE 26-27
65 y/o M smoker presents with chronic productive cough, dyspnea, and central cyanosis. Chest auscultation reveals bilateral rhonchi. ABG shows hypoxemia and hypercapnia. Which pathological change is the primary cause?
💡 EXPLANATION:
The patient exhibits signs of Chronic Bronchitis ('Blue Bloater'). The primary pathology is mucous gland hypertrophy and hyperplasia in the bronchi, leading to mucus hypersecretion. Alveolar destruction is seen in emphysema ('Pink Puffer').
A 28y/o F, non-smoker, presents with dry cough, dyspnea, and fatigue. CXR reveals bilateral hilar lymphadenopathy. Labs show elevated serum ACE and calcium. What is the most appropriate next step to establish a definitive diagnosis?
Anonymous Quiz
21%
High-resolution CT chest
79%
Bronchoscopy with transbronchial biopsy
0%
Surgical mediastinoscopy
0%
Initiate oral corticosteroids
Maxemo EMREE 26-27
A 28y/o F, non-smoker, presents with dry cough, dyspnea, and fatigue. CXR reveals bilateral hilar lymphadenopathy. Labs show elevated serum ACE and calcium. What is the most appropriate next step to establish a definitive diagnosis?
💡 EXPLANATION:
The clinical picture suggests sarcoidosis. While clinical features are strong, definitive diagnosis requires histological evidence of non-caseating granulomas to exclude malignancy or TB. Bronchoscopy with biopsy is the preferred initial invasive modality.
45y M, tall/thin, presents with sudden Rt pleuritic chest pain and SOB. Vitals stable, SpO2 96% RA. O/E: Reduced breath sounds Rt apex. CXR confirms pneumothorax with 3cm rim at the apex. What is the most appropriate next step?
Anonymous Quiz
15%
Observation and discharge
25%
High-flow oxygen therapy
50%
Simple needle aspiration
10%
Intercostal tube drainage
Maxemo EMREE 26-27
45y M, tall/thin, presents with sudden Rt pleuritic chest pain and SOB. Vitals stable, SpO2 96% RA. O/E: Reduced breath sounds Rt apex. CXR confirms pneumothorax with 3cm rim at the apex. What is the most appropriate next step?
💡 EXPLANATION:
This is a large Primary Spontaneous Pneumothorax (≥2-3cm) in a hemodynamically stable patient. Guidelines (e.g., BTS) recommend simple needle aspiration (16-18G) as the first-line intervention. Chest drains are reserved for aspiration failure or instability.
A 65 y/o M heavy smoker presents with hemoptysis and weight loss. CXR reveals a large cavitary lesion in the right upper lobe. Biopsy is performed. What is the most likely histological diagnosis?
Anonymous Quiz
4%
Adenocarcinoma
26%
Small cell carcinoma
65%
Squamous cell carcinoma
4%
Large cell carcinoma
Maxemo EMREE 26-27
A 65 y/o M heavy smoker presents with hemoptysis and weight loss. CXR reveals a large cavitary lesion in the right upper lobe. Biopsy is performed. What is the most likely histological diagnosis?
💡 EXPLANATION:
Squamous cell carcinoma (SCC) is strongly associated with smoking and often arises centrally. It is the specific subtype most likely to undergo central necrosis and cavitation. Adenocarcinoma is typically peripheral; small cell carcinoma rarely cavitates.
A 28 y/o medical resident presents with fever, night sweats, and hemoptysis. CXR shows upper lobe cavitation. What is the most appropriate initial investigation to confirm the diagnosis?
Anonymous Quiz
13%
Tuberculin skin test
25%
Interferon-gamma release assay
58%
Sputum AFB smear and culture
4%
Chest CT scan
Maxemo EMREE 26-27
A 28 y/o medical resident presents with fever, night sweats, and hemoptysis. CXR shows upper lobe cavitation. What is the most appropriate initial investigation to confirm the diagnosis?
💡 EXPLANATION:
Suspected active pulmonary TB requires microbiological confirmation. Sputum AFB smear and culture is the diagnostic standard. TST and IGRA determine immune sensitization (latent TB) but do not confirm active disease.
A 65-year-old man presents with progressive dyspnea and dry cough. Auscultation reveals fine, end-inspiratory "Velcro" crackles at both bases. HRCT confirms idiopathic pulmonary fibrosis. Which mechanism explains this physical finding?
Anonymous Quiz
5%
Air bubbling through retained secretions
32%
Turbulent airflow in narrowed bronchi
50%
Explosive reopening of collapsed airways
14%
Friction between inflamed pleural layers
Maxemo EMREE 26-27
A 65-year-old man presents with progressive dyspnea and dry cough. Auscultation reveals fine, end-inspiratory "Velcro" crackles at both bases. HRCT confirms idiopathic pulmonary fibrosis. Which mechanism explains this physical finding?
💡 EXPLANATION:
In interstitial fibrosis, increased elastic recoil causes small airways to collapse at end-expiration. The characteristic fine, dry crackles result from the explosive reopening of these collapsed airways during inspiration. Secretions typically cause coarse crackles.
A patient with confirmed idiopathic pulmonary fibrosis (IPF) undergoes HRCT chest, revealing extensive bibasilar honeycombing. Which pathological process does this specific radiological finding represent?
Anonymous Quiz
9%
Active alveolar inflammation
13%
Reversible hyaline membranes
17%
Non-caseating granulomas
61%
Irreversible architectural destruction
Maxemo EMREE 26-27
A patient with confirmed idiopathic pulmonary fibrosis (IPF) undergoes HRCT chest, revealing extensive bibasilar honeycombing. Which pathological process does this specific radiological finding represent?
💡 EXPLANATION:
Honeycombing signifies end-stage, irreversible fibrosis where normal lung architecture is destroyed and replaced by cystic spaces. Unlike ground-glass opacities (often active/reversible), honeycombing predicts poor prognosis and lack of response to therapy.
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Yesterday's Ranks🏆
NEPHROLOGY AND UROLOGY
1. Reyansh Malhotra
2. Rizwan H
3. Sam
4. Dr. Shukla
5. Samyak99
6. Shruti p
7. Siddharth Sharma
8. Zaffar
9. batool
10. Avantika Pillai
Join channel 👇
https://t.me/studywithmaxemoemree