General Information

The Certificate in ECG Technician is a six-month paramedical training programme designed to impart fundamental knowledge and clinical skills in electrocardiography. Students learn cardiac anatomy, operation of ECG instrumentation, patient preparation techniques, and identification of normal and abnormal cardiac rhythms. The curriculum emphasizes safe laboratory practices, professional handling of diagnostic equipment, and baseline recording under standard medical protocols.

1. Course Duration: 6 Months
2. Minimum Qualification: 10+2 passed in Science stream
3. Course Category: PARAMEDICAL
4. Total Marks: 600 (Theory 600, 6 subjects)

Course Objectives

• Teach the fundamentals of cardiac anatomy, electrophysiology, and lead placement principles.
• Train students in the safe operation, calibration, and maintenance of electrocardiograph machines.
• Develop skills to record high-quality diagnostic 12-lead ECGs and identify common artifacts.
• Familiarize candidates with standard medical protocols during acute cardiac emergency situations.

Learning Outcomes

• Operate and maintain standard electrocardiograph equipment safely in clinical settings.
• Position electrodes accurately to record standard 12-lead electrocardiograms without artifacts.
• Differentiate between normal sinus rhythms and basic cardiac arrhythmias accurately.
• Assist healthcare professionals efficiently during acute cardiac emergencies and procedures.
• Follow ethical standards, infection control protocols, and patient privacy during recordings.

Pass & Division Criteria

The maximum marks and minimum pass marks of Theory and Practical of each subject are given in the Mark Distribution table below. To pass, a candidate must score the minimum pass marks separately in both Theory and Practical of every subject.

The division is decided on the aggregate percentage of marks obtained, as follows —

Mark Distribution

Total marks of the course : 600

Detailed Syllabus

1. Introduction to the Cardiovascular System — Study of the human circulatory system, general organization of blood vessels, heart position in the mediastinum, and its primary physiological functions.
2. External Anatomy of the Heart — Examination of heart orientation, apex, base, borders, anatomical surfaces, sulci, epicardium, pericardial sac, and external anatomical landmarks.
3. Internal Structures of the Heart — Detailed study of right and left atria, right and left ventricles, interatrial and interventricular septa, and internal wall structures.
4. Cardiac Valves and Blood Flow — Structure and mechanics of atrioventricular and semilunar valves, chordae tendineae, papillary muscles, and the unidirectional pathway of blood flow.
5. Coronary Circulation — Anatomy of left and right coronary arteries, major branches, coronary sinus, venous drainage, and microvascular blood supply to cardiac tissue.
6. Cardiac Conduction System Anatomy — Anatomical locations and structural pathways of SA node, internodal tracts, AV node, bundle of His, bundle branches, and Purkinje fibers.
7. Histology of the Myocardium — Microscopic structure of cardiac muscle fibers, intercalated discs, gap junctions, sarcomere organization, and vascular distribution within myocardial layers.
8. Innervation of the Heart — Autonomic nervous system influence covering sympathetic and parasympathetic nerve supplies, cardiac plexuses, and basic physiological regulatory effects.

1. Cardiac Electrophysiology Fundamentals — Cellular resting membrane potentials, phase action potentials, ion channel movements involving sodium, potassium, and calcium, and threshold stimulation.
2. Depolarization and Repolarization Processes — Propagation of electrical activation wavefronts across atrial and ventricular tissues, refractory periods, and recovery phases within the cardiac cycle.
3. Electrical Axis and Vector Concepts — Principles of cardiac vectors, dipole theory, mean electrical axis determination, and projection of electrical forces onto reference planes.
4. Einthoven's Triangle and Limb Leads — Mathematical and geometric foundation of standard bipolar limb leads, Einthoven's law, and calculation of Lead I, II, and III voltages.
5. Augmented Unipolar Limb Leads — Design principles and voltage amplification concepts of Goldberger augmented leads aVR, aVL, and aVF in spatial cardiac assessment.
6. Precordial Chest Lead Principles — Wilson central terminal concept, horizontal plane electrical view, anatomical placement significance, and unipolar recording mechanics of V1 to V6 leads.
7. The Standard ECG Waveform Components — Composition of the cardiac cycle recording including P wave, PR interval, QRS complex, ST segment, T wave, and U wave.
8. Calibration and ECG Paper Standards — Grid voltage measurements, time intervals, standard paper speed at 25 mm/s, voltage calibration standards, and electrical signal sensitivity.

1. Components of the ECG Machine — Overview of electrocardiograph hardware, main unit, lead cables, patient cable, power sources, console buttons, and internal amplifier circuitry.
2. Types of ECG Machines — Comparison of single-channel, three-channel, and multi-channel computerized digital machines, portable units, and contemporary telemetry systems.
3. Patient Preparation and Positioning — Supine positioning protocols, ensuring patient comfort and modesty, skin cleansing, hair removal guidelines, and relaxation techniques to minimize anxiety.
4. Electrode Placement Techniques — Correct anatomical positioning of standard limb clamps and precordial suction or adhesive electrodes according to standard international guidelines.
5. Operating Procedure and Recording Settings — Step-by-step operation from powering on, entering patient demographic details, selecting speed and gain, to capturing artifact-free recordings.
6. Artifact Recognition and Troubleshooting — Identifying and eliminating electrical interference, muscle tremors, wandering baselines, loose lead contacts, and external mechanical disturbance sources.
7. Safety, Infection Control, and Hygiene — Electrical safety protocols, grounding standards, patient protection from shock hazards, sanitization of cables, and disposable electrode usage practices.
8. Maintenance, Storage, and Quality Assurance — Routine cleaning schedules, proper cable coiling, thermal paper replenishment, battery maintenance, calibration checks, and equipment documentation.

1. Systematic Approach to ECG Analysis — Standardized sequential method for reading ECG tracings, including technical quality checks, standardization verification, rhythm consistency, and systemic review.
2. Heart Rate Calculation Methods — Techniques for calculating regular and irregular heart rates using the 300 method, 1500 method, and six-second strip counting rules.
3. Cardiac Rhythm and Sinus Identification — Criteria for normal sinus rhythm, recognition of regular versus irregular rhythms, and basic identification of sinus tachycardia and sinus bradycardia.
4. Evaluation of the P Wave and PR Interval — Normal morphology, duration, amplitude of P waves, measurement of PR interval, and identifying basic atrioventricular conduction delay patterns.
5. Analysis of the QRS Complex — Normal QRS width, height, morphology, progression in precordial leads, and identification of abnormal ventricular conduction or bundle branch block.
6. ST Segment and T Wave Assessment — Recognition of isoelectric lines, significant ST elevation or depression patterns, T wave inversions, peaked T waves, and ischemia markers.
7. Common Arrhythmias Overview — Preliminary recognition of premature atrial contractions, premature ventricular contractions, atrial fibrillation, atrial flutter, and ventricular arrhythmias.
8. Technical Errors and Misplacement Effects — Identifying lead reversal patterns, such as arm lead switches, misplaced precordial leads, and recording errors that simulate cardiac pathologies.

1. Introduction to Cardiovascular Emergencies — Overview of common cardiac emergencies, risk factors, patient assessment, and the vital role of the ECG technician in urgent care settings.
2. Acute Coronary Syndromes — Study of unstable angina, STEMI, and NSTEMI, covering pathophysiological mechanisms, clinical features, and immediate management protocols in emergency departments.
3. ECG Identification of Myocardial Infarction — Recognition of hyperacute T-waves, ST-segment elevation, pathological Q-waves, and reciprocal changes to localize infarct areas during acute coronary events.
4. Life-Threatening Ventricular Arrhythmias — Identifying ventricular tachycardia, ventricular fibrillation, and torsades de pointes with urgent ECG documentation, emergency signaling, and defibrillation awareness procedures.
5. Bradyarrhythmias and Conduction Blocks — Assessment of severe sinus bradycardia, sinus arrest, and high-grade atrioventricular blocks requiring immediate transcutaneous pacing or medical interventions.
6. Tachyarrhythmias and Hemodynamic Instability — Recognition of supraventricular tachycardia, atrial fibrillation with rapid ventricular response, and atrial flutter, focusing on emergency differentiation and stabilization steps.
7. Cardiogenic Shock and Acute Heart Failure — Understanding signs of cardiogenic shock, pulmonary edema, associated ECG abnormalities, patient monitoring protocols, and urgent supportive therapy guidelines.
8. Cardiac Arrest and Resuscitation Protocols — Basic life support integration, automated external defibrillator operation, pulseless electrical activity, asystole recognition, and crash cart management in hospitals.
9. Hypertensive Emergencies and Aortic Dissection — Understanding extreme blood pressure spikes, acute aortic dissection, secondary cardiac complications, and immediate clinical precautions during diagnostic testing.
10. Emergency Documentation and Communication — Standard procedures for prompt reporting of critical ECG findings, maintaining emergency logs, medicolegal compliance, and effective coordination with resuscitation teams.

1. ECG Machine Components and Maintenance — Introduction to 12-lead ECG machines, cable connections, power sources, thermal printing paper loading, stylus calibration, and routine hardware cleaning.
2. Patient Preparation and Infection Control — Procedures for patient counseling, skin preparation, hair removal, positioning, handling anxious patients, and adhering to hospital infection control standards.
3. Limb Lead Electrode Placement — Anatomical landmarks for placing limb electrodes, color-coding standards, ensuring proper gel contact, and avoiding limb lead reversal errors.
4. Precordial Chest Lead Placement — Precise identification of intercostal spaces for V1 through V6 lead placement, along with variations for pediatric and dextrocardia patients.
5. Machine Settings and Calibration Checks — Configuring paper speed at standard rates, voltage gain adjustments, artifact filter settings, and verifying machine calibration prior to recording.
6. Performing Standard 12-Lead Recording — Step-by-step recording of standard twelve-lead ECGs, rhythm strip acquisition, real-time monitoring, and verifying baseline tracing stability.
7. Identification and Elimination of Artifacts — Detecting somatic tremor, AC interference, wandering baseline, and loose connection artifacts, along with corrective actions to obtain clean tracings.
8. Special Lead Placement Techniques — Techniques for recording posterior leads V7 through V9 and right-sided chest leads V3R to V6R in suspected acute infarction.
9. Basic Rhythm and Interval Measurements — Manual measurement of heart rate, PR interval, QRS duration, and QT interval using calipers and standard ECG grid calculations.
10. Record Keeping and Digital Storage — Archiving paper tracings, entering patient demographics into digital hospital information systems, and ensuring safe transmission of critical diagnostic reports.