What's Included - Master Class Structure

PART 1: Cardiovascular Basics (Pre-ECG Foundation)

• 1.1 Cardiac Anatomy - Chambers, layers, valves, coronary circulation with vessel territories
• 1.2 Microanatomy & E-C Coupling - Cardiomyocyte structure, sarcomere, calcium cycling, SERCA, Frank-Starling law (from Braunwald's Heart Disease)
• 1.3 Action Potential & Conduction System - 5 phases, pacemaker AP, SA→AV→His→Bundle→Purkinje pathway with speeds
• 1.4 The Cardiac Cycle - All phases of systole and diastole, pressure values, heart sounds, key formulas (CO, EF, preload, afterload)
• 1.5 Autonomic Control - Sympathetic (chronotropy, inotropy, dromotropy) and parasympathetic effects
• 1.6 Pre-ECG Electrophysiology - Ion channel table, refractory periods, QT and Bazett's formula

PART 2: ECG Master Class

• 2.1-2.2 ECG basics, paper speed, the 12 leads, anatomical groupings
• 2.3 All waveforms (P, PR, QRS, ST, T, QT, U) with normal values
• 2.4 Systematic 8-step ECG interpretation method
• 2.5 Axis determination (quick I + aVF method + causes)
• 2.6 RBBB, LBBB, Sgarbossa criteria, fascicular blocks
• 2.7 Chamber enlargement (LAE, RAE, LVH with Sokolow + Cornell, RVH)
• 2.8 Ischemia cascade, STEMI evolution and localization by territory, De Winter T waves, NSTEMI
• 2.9 Full arrhythmia section - AF, flutter, AVNRT, WPW, all AV blocks, VT, VF, Torsades
• 2.10 Electrolyte changes (hyperkalemia stages, hypokalemia, Ca)
• 2.11 Brugada, pericarditis (4 stages), PE (S1Q3T3), digoxin effect, hypothermia Osborn waves

PART 3: TMT / Exercise Stress Test

• Indications, absolute and relative contraindications
• Bruce Protocol table with METs, modified protocol
• Target HR calculation, test conduct, monitoring
• Stopping criteria (absolute and relative)
• Positive criteria for ischemia, high-risk features
• Duke Treadmill Score formula + risk categories
• BP response, false positives, false negatives, sensitivity/specificity

PART 4: Holter Monitoring

• Types of ambulatory monitoring (24h Holter → ILR 3 years)
• All indications including cryptogenic stroke AF detection
• Interpretation parameters (PVC burden, pauses, HRV, AF burden)
• ILR and the CRYSTAL-AF trial data

PART 5: Echocardiography

• Ultrasound physics, Doppler types (PW, CW, Color, TDI) with uses
• Standard echo views (PLAX, PSAX, A4C, A2C, subcostal, suprasternal)
• LV systolic function (EF, Simpson's, wall motion 17-segment model)
• Diastolic function (E/A, e', E/e', ASE 2016 grading table)
• Valve quantification: AS (continuity equation, severity table), MS (PHT method, Wilkins score), AR, MR (PISA method) - all from Textbook of Clinical Echocardiography
• PA pressure estimation (TR jet + RAP)
• RV assessment (TAPSE, FAC, S')
• IVC and volume status
• Pericardial effusion and tamponade echo signs
• Stress echo / dobutamine echo (viability "biphasic response")
• TEE indications

What's New in This Expanded Edition

Section A - Cardiovascular Physiology Deep Dive

• Pressure-Volume Loop traced point-by-point through all phases of the cardiac cycle, with how disease (HF, hypertension, volume overload, inotropes) shifts the loop
• LV Geometry patterns: concentric remodeling, concentric hypertrophy, eccentric hypertrophy (with RWT formula)
• Global Longitudinal Strain (GLS): -20% normal, detection of subclinical dysfunction before EF drops

Section B - ECG: 20 Case Studies

• Case 1: Normal sinus rhythm (step-by-step reference)
• Cases 2-4: Sinus bradycardia, sinus tachycardia (cause analysis), sick sinus syndrome
• Cases 5-6: LAE (P-mitrale mechanism), RAE (P-pulmonale)
• Cases 7-8: LVH with strain (Sokolow + Cornell criteria), pathological vs normal Q waves
• ST Elevation Differential Table (10 causes with distinguishing features)
• Cases 9-11: Inferior STEMI with RV infarct (NTG contraindication), Anterior STEMI, De Winter T waves (must-not-miss STEMI equivalent)
• Case 12: Posterior STEMI (looks like NSTEMI in V1-V2; confirmed by V7-V9)
• Cases 13-16: AF (CHA2DS2-VASc scoring, anticoagulation rules), atrial flutter (vagal maneuver distinguishes from SVT), AVNRT mechanism + treatment, WPW (DANGEROUS drugs to avoid, management)
• Cases 17-19: VT vs SVT-aberrancy (full Brugada algorithm), Torsades de Pointes (drugs that cause it, magnesium treatment), Complete AV block (management of wide vs narrow escape)
• Case 20: Hyperkalemia progressive ECG changes (K+ 5.5 → K+ >8) with emergency treatment sequence

Section C - TMT: 4 Cases

• Case 21: Completely normal TMT (reference interpretation, Duke score +12)
• Case 22: Positive TMT with false positive discussion (women's rate)
• Case 23: HIGH-RISK TMT (Stage 1 positivity, exertional hypotension, Duke score -18 → urgent cath)
• Case 24: Non-diagnostic TMT (beta-blocker effect, what to do next)

Section D - Holter: 5 Cases

• Case 25: Normal 24-hour Holter (full quantitative report with HRV values)
• Case 26: PVC-induced cardiomyopathy (24% burden, RVOT origin, reversible with ablation)
• Case 27: Cryptogenic stroke → AF on Holter (CRYSTAL-AF trial data, ILR)
• Case 28: Sick sinus syndrome (5.8-second pause causing syncope documented in real-time)
• Case 29: Post-MI risk stratification (low HRV + NSVT + EF 35% → ICD indication)

Section E - Echo: 10 Cases

• Case 30: Normal quantitative echo (all numbers - reference standard)
• Case 31: Dilated cardiomyopathy - DCM (EF 21%, restrictive filling, functional MR, LV thrombus risk, GLS)
• Case 32: HOCM (asymmetric septal hypertrophy, SAM, LVOT gradient 65 mmHg, risk stratification, mavacamten)
• Case 33: Severe AS (continuity equation worked through, paradoxical low-flow AS explained, TAVR planning)
• Case 34: Severe mitral stenosis (Wilkins score, BMC candidacy, TEE for LAA thrombus)
• Case 35: Cardiac tamponade (RA collapse, RV collapse, IVC plethora, Doppler pulsus paradoxus)
• Case 36: LV apical thrombus post-STEMI (echo diagnosis, contrast use, anticoagulation)
• Case 37: Infective endocarditis with aortic root abscess (TTE vs TEE sensitivity, surgical indications)
• Cardiomyopathy comparison table: DCM vs HCM vs RCM vs ARVC

Section F - 3 Integrated Cases

• Case F.1: Diabetic woman → ECG → resting echo → TMT → stress echo → coronary angiography (two-vessel CAD)
• Case F.2: Young man with syncope → ECG → HCM echo → Holter (NSVT) → TMT (abnormal BP response) → ICD decision
• Case F.3: Post-cardiac surgery tamponade → POCUS diagnosis → emergency pericardiocentesis

Complete Chapter Map of This Edition

Chapter 0 - History of Cardiology (The Full Timeline)

• Ancient Egypt (1550 BCE) → Ebers Papyrus; heart as center of life
• Aristotle (384 BCE) → wrong about brain cooling, correct about heart as center
• Ibn al-Nafis (1213 CE) → FIRST to describe pulmonary circulation (300 years before Harvey!)
• William Harvey (1628) → "De Motu Cordis" - quantitative proof of systemic circulation; Father of Modern Cardiology
• René Laennec (1816) → Invented the stethoscope from rolled paper
• Luigi Galvani (1791) → Discovered bioelectricity (frog legs experiment)
• Augustus Waller (1887) → First human ECG recording; his dog Jimmie was the first ECG "patient"
• Einthoven (1893-1924) → Named PQRST; String galvanometer; Nobel Prize 1924
• WHY PQRST NOT ABCDE - full 3-theory explanation (Descartes convention; room for future waves; practical reason - he already used A-D for the uncorrected tracing)
• History of Holter (Norman Holter 1914-1983; 38 kg backpack 1949 → modern patch)
• History of TMT (Master's Two-Step 1929 → Bruce Protocol 1956)
• History of Echo (Edler + Hertz 1953; borrowed industrial reflectoscope; "Father of Echocardiography")

Chapter 1 - What Is the Heart

• Heart = 100,000 beats/day, 2.5 billion in a lifetime, 60,000 miles of vessels
• Precise location (mediastinum, 2/3 left of midline, apex at 5th ICS MCL)
• Why the heart is tilted left (embryonic cardiac tube looping on day 23-28)
• Detailed 3-layer diagram (pericardium → myocardium → endocardium)
• All 4 chambers with internal landmarks (crista terminalis, fossa ovalis, moderator band, LA appendage)
• Valves - mechanism of opening/closing, MV leaflets (P1/P2/P3), aortic cusp anatomy and why Valsalva sinuses exist

Chapter 2 - Circulation

• Dual circulation diagram with pressures
• Coronary circulation in depth: LMCA → LAD (septal perforators + diagonals) + LCx (marginals); RCA (SA nodal artery + AV nodal artery + PDA)
• Coronary dominance (70% right, 15% left, 10-15% co-dominant) - why it matters clinically
• Ischemia Cascade diagram (seconds → diastolic dysfunction → wall motion → ECG → symptoms → necrosis → troponin) - explains timing for all tests
• Coronary → ECG → Echo wall segment correlation table

Chapter 3 - Conduction System

• Full conduction pathway diagram with locations, blood supply, intrinsic rates, speeds
• SA node (60-100 bpm; SA nodal artery); AV node (40-60 bpm; Koch's triangle); His bundle; RBB (moderator band!); LBB (3 fascicles); Purkinje (4 m/s fastest)
• Ventricular AP graph: all 5 phases with ions (INa, Ito, ICaL, IKr/IKs, IK1) + corresponding QT segments
• SA node AP graph: pacemaker potential, funny current (If), HCN channels, ivabradine mechanism
• Hierarchy of automaticity explained
• Conduction block at each level → ECG pattern summary

Chapter 4 - ECG Fundamentals

• ECG paper complete - 25 vs 50 mm/sec tables; thermosensitive paper; small box = 0.04 sec, large box = 0.20 sec (at 25mm/sec)
• Voltage calibration - 10mm = 1mV; double/half standard; always check calibration box
• ECG Gel chemistry - NaCl electrolytes, carbomer thickener, why it works (reduces skin impedance 100,000 Ω → 1,000 Ω)
• Electrode types (disposable self-adhesive Ag/AgCl hydrogel vs reusable suction)
• TWO COLOR CODING STANDARDS - AHA vs IEC full table for all 10 leads; mnemonics; consequences of lead reversal (mimics dextrocardia)
• Einthoven's Triangle - mathematical derivation; Einthoven's Law (II = I + III); augmented leads
• PQRST wave-by-wave explanation with why T is upright (reverse repolarization: EPI→ENDO repolarization + ENDO→EPI depolarization = both produce upward deflection in left-sided leads)
• U wave origin (Purkinje / M-cell repolarization)

Chapter 5 - Patient Preparation

• ECG: Supine position (why), skin prep steps, artifact recognition and causes (muscle, wander, AC interference)
• TMT: Day-before instructions, in-lab pre-test protocol, emergency equipment checklist, during and post-test monitoring
• Holter: Electrode positions (3-channel), patient diary instructions, activity restrictions, return protocol
• Echo: TTE (minimal prep), contrast echo, TEE full protocol (6-hour fast, sedation, bite guard, left lateral decubitus, post-procedure gag reflex recovery)

Chapter 6 - Interrelationships

• Grand unified diagram: Anatomy ↔ Echo; Physiology ↔ Echo; Electrophysiology ↔ ECG/Holter; Perfusion ↔ TMT/Stress Echo
• How Hypertension → LVH → affects all 4 tests simultaneously
• How MI → affects all 4 tests across acute/subacute/chronic phases
• How AF → affects all 4 tests
• 3 mechanisms of ALL arrhythmias (automaticity, triggered [EAD/DAD], reentry) with ECG examples
• Electrolytes (K+, Ca2+, Mg2+) → exactly how each affects AP phases → exactly what ECG changes result
• Complete cardiac examination flow diagram (when to order which test in which sequence)