Important

Reference chapters covering cellular electrophysiology, coronary syndromes, arrhythmias, pacing, cardiomyopathies, and catheter ablation.

Chapters

Module NumberTopic TitleCore Clinical Focus
0101. Cellular Cardiac Electrophysiology and VectorcardiographyAction potentials ($0-4$), ionic currents ($I_{Na}, I_{Kr}, I_{Ca}$), spatial QRS-T angle, $fQRS$.
0202. Chamber Enlargement and Vectorial Hypertrophy CriteriaP-mitrale, Bayés syndrome, LVH criteria (Cornell, Sokolow-Lyon, Romhilt-Estes), RVH.
0303. Intraventricular Conduction Disturbances and Fascicular BlocksLAFB, LPFB, Bifascicular/Trifascicular blocks, Ashman phenomenon, H-V interval.
0404. Acute Coronary Syndromes and Regional Myocardial InfarctionSTEMI regional localization (LAD vs RCA vs LCx), RV infarction ($V_3R/V_4R$), Posterior MI ($V_7-V_9$).
0505. High-Risk STEMI Equivalents and Occlusion Myocardial InfarctionWellens, de Winter, LMCA/aVR elevation, Modified Sgarbossa in LBBB, Aslanger, Shark Fin.
0606. Non-Atherosclerotic Acute Coronary Syndromes (SCAD, MINOCA, Prinzmetal, Kounis)SCAD conservative management, Prinzmetal spasm, MINOCA workup, Kounis allergic ACS.
0707. Complex Supraventricular Arrhythmias and Differential DiagnosisShort vs Long RP tachycardias, AVNRT (slow-fast/fast-slow), AVRT, PJRT, Modified Valsalva.
0808. Atrial Fibrillation, Atrial Flutter, and Anticoagulation StrategiesIrregularly irregular rhythm, typical/atypical flutter, FBI rhythm, $\text{CHA}_2\text{DS}_2\text{-VASc}$, PVI/PFA.
0909. Wide Complex Tachycardia Differentiation AlgorithmsBrugada, Vereckei aVR, Pava RWPT $\ge 50\text{ ms}$, AV dissociation, capture/fusion beats.
1010. Idiopathic and Structural Ventricular TachycardiasBelhassen fascicular VT (verapamil-sensitive), RVOT/LVOT VT, Post-infarction scar VT.
1111. Conventional Pacemaker and ICD ElectrocardiographyNBG codes, failure to pace/capture/sense, PMT endless loop, pseudomalfunctions.
1212. Conduction System Pacing (His Bundle and Left Bundle Branch Area Pacing)HBP vs LBBAP, criteria for left bundle capture (LVAT $<80\text{ ms}$, $qR$ in $V_1$), CRT.
1313. Hypertrophic Cardiomyopathy and Apical Yamaguchi SyndromeDagger septal Q waves, Yamaguchi giant negative T waves ($>10\text{ mm}$), Mavacamten, ICD.
1414. Infiltrative and Inflammatory Cardiomyopathies (Amyloidosis, Sarcoidosis, Myocarditis)Voltage-mass discordance, pseudoinfarct, Tafamidis in ATTR amyloid, Sarcoid AV block.
1515. Arrhythmogenic Cardiomyopathies (ARVC and Non-Desmosomal Variants)Epsilon waves in $V_1-V_3$, precordial T-wave inversions, exercise restriction, ICD.
1616. Valvular Heart Diseases, Arrhythmic Mitral Valve Prolapse, and MAD SyndromeArrhythmic MVP, Mitral Annular Disjunction, Pickelhaube sign, TAVR-induced LBBB.
1717. Inherited Channelopathies and Primary Electrical DiseasesBrugada Type 1 (Ajmaline test), Short QT, Malignant Early Repolarization, CPVT, Quinidine.
1818. Pulmonary Hypertension, Acute Cor Pulmonale, and Massive Pulmonary Embolism$S_1Q_3T_3$, precordial+inferior T inversions, McConnell sign, systemic thrombolysis.
1919. Acute Neurological, Environmental, and Critical Care EmergenciesSAH Cerebral T waves, Hypothermia Osborn J waves ($<32^\circ\text{C}$), active core rewarming.
2020. Electrolyte Derangements, Acid-Base Disorders, and ToxicitiesTCA toxicity (terminal R in aVR $>3\text{ mm}$), Digoxin toxicity, IV Sodium Bicarbonate.
2121. Cardio-Oncology and Drug-Induced CardiotoxicitiesImmune Checkpoint Inhibitor myocarditis (high-dose steroids), Anthracyclines, TKI $QTc$.
2222. Sports Cardiology and International Criteria for Athlete ECGAthlete's heart vs cardiomyopathy, International Consensus criteria (normal vs abnormal).
2323. Advanced 3D Electroanatomical Mapping and Catheter Ablation PrinciplesCARTO/EnSite voltage substrate mapping, entrainment mapping (PPI-TCL $<30\text{ ms}$), PFA.
2424. Intracardiac Electrophysiology Study Tracings and Lewis Ladder DiagramsIntracardiac EGMs (HRA, HBE, CS, RVA), A-H/H-V intervals, Lewis ladder diagram drafting.
2525. Clinical Case Vignettes and Electrophysiology SpottersMulti-lead 12-lead mystery cases, ladder diagram solutions, curative electrophysiology.