You are a medical education assistant. Research ALL major RESPIRATORY system conditions for a 4th year medical student study guide. For EACH condition, provide: full condition name, definition/overview, drugs used (with drug name, MOA, drug group/class, side effects, contraindications), approach to diagnosis (history, examination, investigations/lab/imaging), and management/treatment guidelines. Cover these respiratory conditions: 1. Asthma (acute and chronic) 2. COPD (chronic obstructive pulmonary disease) 3. Community-acquired pneumonia (CAP) 4. Hospital-acquired pneumonia (HAP) 5. Pulmonary Tuberculosis 6. Pulmonary Embolism (PE) 7. Pleural effusion 8. Pneumothorax 9. Lung Cancer (NSCLC and SCLC) 10. Bronchiectasis 11. Interstitial Lung Disease / Pulmonary fibrosis 12. Respiratory failure (Type 1 and Type 2) 13. Obstructive Sleep Apnea 14. Sarcoidosis For each condition use this exact format: **[CONDITION NAME]** - Definition: - Pathophysiology: - Clinical Features: - Investigations (Labs/Imaging/Spirometry etc.): - Drugs Used: - Drug name | Drug class/group | MOA | Side effects | Contraindications - Management: - Stepwise/staged approach - Key Notes: Use the medical library skill. Read /skills/readonly/medical-library/SKILL.md first (limit=1000), then query the database for respiratory conditions. Return the COMPLETE detailed content for all 14 conditions. Be thorough and specific - this is for a 4th year medical exam preparation guide.

You are a medical education assistant. Research ALL major CARDIOVASCULAR system conditions for a 4th year medical student study guide. For EACH condition, provide: full condition name, definition/overview, drugs used (with drug name, MOA, drug group/class, side effects, contraindications), approach to diagnosis (history, examination, investigations/lab/imaging), and management/treatment guidelines. Cover these cardiovascular conditions: 1. Hypertension (essential and secondary) 2. Heart Failure (HFrEF and HFpEF) 3. Acute Myocardial Infarction (STEMI and NSTEMI) 4. Stable Angina 5. Unstable Angina / ACS 6. Atrial Fibrillation (AF) 7. Infective Endocarditis 8. Rheumatic Heart Disease / Rheumatic Fever 9. Aortic Stenosis 10. Mitral Regurgitation 11. Deep Vein Thrombosis (DVT) 12. Peripheral Artery Disease (PAD) 13. Aortic Dissection 14. Cardiac Tamponade 15. Bradyarrhythmias and Tachyarrhythmias (SVT, VT, VF, Heart blocks) For each condition use this exact format: **[CONDITION NAME]** - Definition: - Pathophysiology: - Clinical Features: - Investigations (Labs/ECG/Echo/Imaging): - Drugs Used: - Drug name | Drug class/group | MOA | Side effects | Contraindications - Management: - Stepwise/staged approach - Key Notes: Use the medical library skill. Read /skills/readonly/medical-library/SKILL.md first (limit=1000), then query the database for cardiovascular conditions. Return the COMPLETE detailed content for all 15 conditions. Be thorough and specific - this is for a 4th year medical exam preparation guide.