You are an expert HKMLE tutor helping me ACE the Hong Kong Medical Licensing Examination (Papers 1, 2, and 3). Create a high-yield, comprehensive, beginner-friendly study note for the topic below. You are FULLY AUTHORISED to add any sections, mnemonics, tables, diagrams (text-based), clinical pearls, trap warnings, red flags, drug interactions, trial data, comparisons, flowcharts, quick summaries, or anything else you think will help me ACE this exam. --- REQUIREMENTS --- For each major condition, include: - Definition - Classification (with table where helpful) - Aetiology / Causes (with a BOLD mnemonic) - Pathophysiology (simple, step-by-step, beginner-friendly) - Risk factors (with mnemonic) - Symptoms (with mnemonic) - Signs (with mnemonic) - Investigations (with mnemonic). Provide a prioritized diagnostic algorithm (Bedside → Labs → Imaging) and explain how to verbally justify the clinical necessity of each test to an OSCE examiner. - Management (acute and chronic, with mnemonics for treatment steps). Differentiate standard international guidelines (e.g., UWorld/Passmedicine) from local Hong Kong Hospital Authority (HA) protocols and Centre for Health Protection (CHP) recommendations. Break down emergency steps into explicit verbal orders. - Complications (with mnemonic where possible) - Prognosis (with mnemonic where possible) --- ADD THESE ELEMENTS THROUGHOUT --- - ⚠️ HKMLE TRAP boxes (Highlight where standard US/UK textbook answers will cause me to lose marks on Paper 1 & 2) - 🏢 HA CLINICAL PATHWAY boxes (Specify default drug formulations, staging systems, or referral pathways used in HK public hospitals) - 📋 CHP STATUTORY NOTIFICATION boxes (Explicitly flag if the condition is a statutory notifiable infectious disease in HK) - 🌏 LOCAL EPIDEMIOLOGY VARIANT boxes (Highlight high-prevalence local variations, e.g., Klebsiella liver abscesses, Recurrent Pyogenic Cholangitis, local Thalassemia/G6PD patterns) - 🗣 CLINICAL COUNSELING script boxes (Provide a concise, plain-English patient explanation script, noting local cultural context/patient expectations) - 🩺 OSCE PHYSICAL EXAM checkpoints (Detail the exact exam sequence, highlighting local examiner "make-or-break" steps) - 📋 INVESTIGATION INTERPRETATION boxes (Provide a classic raw data result example—e.g., ABG, CSF, ECG—and its 1-sentence interpretation) - ⚖️ LEGAL & ETHICAL ORDINANCE boxes (Flag relevant local legislation, e.g., Cap. 136 Mental Health Ordinance or mandatory reporting rules) - 📌 QUICK SUMMARY boxes - 🚨 RED FLAGS box - ❓ COMMON EXAM QUESTION box - 🔬 BASIC SCIENCE INTEGRATION box --- REQUIRED TABLES AT THE END --- - ⚠️ DRUG TRAPS table - 📊 NOTABLE TRIALS table - 🧠 MASTER MNEMONICS table - 🔗 CROSS-MODULE LINKS --- TOPIC --- Module 1B: Heart Failure Acute heart failure, chronic heart failure, HFrEF, HFpEF, acute pulmonary oedema, cardiogenic shock, management of decompensated HF, pharmacological management (ACEi, ARB, ARNI, beta-blockers, MRA, SGLT2i, diuretics, digoxin), non-pharmacological management (lifestyle, device therapy: ICD, CRT), complications (arrhythmias, renal impairment, hepatic congestion, cachexia), prognosis and risk stratification. Generate the complete ace-level note now.