Related Experiment Video
Updated: Aug 8, 2025

Confirmation of Myocardial Ischemia and Reperfusion Injury in Mice Using Surface Pad Electrocardiography
Published on: November 24, 2016
De Winter electrocardiographic pattern in a young patient with acute myocardial infarction
1Department of Cardiology, Government Medical College, Kottayam, Kerala, India.
Insights
The de Winter electrocardiographic pattern can indicate critical proximal left anterior descending artery blockage. Prompt recognition and treatment are vital for patients experiencing acute myocardial infarction with this atypical sign.
Area of Science:
- Cardiology
- Emergency Medicine
- Electrocardiography
Background:
- Atypical electrocardiographic (ECG) presentations are common in emergency departments for patients with acute coronary occlusion.
- The de Winter ECG pattern is a specific, albeit uncommon, sign associated with acute myocardial infarction.
- Proximal left anterior descending (LAD) coronary artery occlusion requires rapid diagnosis and intervention to preserve myocardial function.
Observation:
- This case report details the ECG findings in a young patient presenting with acute myocardial infarction.
- The patient exhibited the de Winter ECG pattern, a critical indicator of proximal LAD occlusion.
- The evolution of the ECG pattern over time was observed and documented.
Findings:
- The de Winter pattern on ECG was identified as suggestive of proximal LAD occlusion.
- The case highlights the importance of recognizing this specific ECG morphology in acute coronary syndromes.
- The patient's clinical course demonstrated the potential severity of proximal LAD occlusions presenting atypically.
Implications:
- Timely identification of the de Winter pattern can lead to earlier reperfusion therapy for acute myocardial infarction.
- Emergency physicians and cardiologists must be aware of this ECG pattern for prompt diagnosis and management.
- Improved recognition of atypical ECG findings like the de Winter pattern may improve outcomes in acute coronary occlusion.
Abstract:
A significant number of patients with acute coronary occlusion present with atypical electrocardiographic features in the emergency department. The de Winter pattern is suggestive of proximal left anterior descending coronary artery occlusion. Timely identification and immediate reperfusion is of utmost importance in these cases. The electrocardiographic pattern and its evolution in a young patient with acute myocardial infarction is described here.
More Related Videos
18:11A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis
Published on: December 28, 2012
06:07Analyzing Long-Term Electrocardiography Recordings to Detect Arrhythmias in Mice
Published on: May 23, 2021
Related Concept Videos
Electrocardiogram
Three major waveforms are present in a typical ECG recording: the P wave, the QRS complex, and...
Electrocardiogram Fundamentals
An electrocardiogram (ECG) is a diagnostic tool for identifying cardiac conditions such as arrhythmias, conduction abnormalities, and myocardial ischemia.
Definition
An electrocardiogram (ECG) visualizes the heart's electrical activity by tracing the electrical movement associated with each heartbeat on a graph or monitor. As the heart beats, an electrical wave passes through it, correlating with the cardiac cycle events.
Parts of an ECG
An ECG utilizes electrodes on the skin...
ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias
Correlation between ECG and Cardiac Cycle
A cardiac action potential originates in the SA node and spreads throughout the atria and the AV node in approximately 0.03 seconds. This results in the P wave in an ECG and triggers atrial contraction. The action potential is then briefly slowed at the AV node, allowing the atria to contract and fill the ventricles with blood before...
Cardiac Action Potential
The cardiac action potential process involves a series of phases characterized by the movement of ions across the cardiac cell membranes, leading to the depolarization and repolarization of the cardiac myocytes.
Ionic Basis of Cardiac Action Potentials
ECG Interpretation of Rhythms
Components of the Electrocardiogram
The primary components of a normal ECG waveform in Normal sinus rhythm(NSR) include the P wave, PR interval, QRS complex, ST segment, T wave, and occasionally a U wave.
ECG waveforms are divided by vertical and horizontal lines at standard intervals.
The horizontal axis measures time and rate, and the vertical axis measures amplitude or voltage....