How does hypertrophy show on ECG?
William Burgess
Updated on March 20, 2026
How does hypertrophy show on ECG?
Left ventricular hypertrophy can be diagnosed on ECG with good specificity. When the myocardium is hypertrophied, there is a larger mass of myocardium for electrical activation to pass through; thus the amplitude of the QRS complex, representing ventricular depolarization, is increased.
Can you see hypertrophic cardiomyopathy on ECG?
The ECG is abnormal in over 90 percent of patients with hypertrophic cardiomyopathy. The most common abnormalities are left ventricular hypertrophy, ST-segment alterations, T-wave inversion, large Q waves and the peculiar diminution of R waves in the lateral precordial leads seen in this patient.”
Which ECG pattern is commonly seen in hypertrophic cardiomyopathy?
A 12 lead EKG is strongly recommended at the time of the initial diagnosis of hypertrophic cardiomyopathy. Common findings on an EKG in these patients include tall R waves, deep Q waves, inverted T waves, ST segment abnormalities and ‘strain pattern’ in the chest leads.
Which ECG leads represent LVH?
Therefore, EKG manifestations of LVH are represented by large amplitude QRS complexes. The EKG leads that represent the left ventricle are V5, V6, I and AvL (see figure).
What is cardiac hypertrophy?
Cardiac hypertrophy is an adaptive response to pressure or volume stress, mutations of sarcomeric (or other) proteins, or loss of contractile mass from prior infarction. Hypertrophic growth accompanies many forms of heart disease, including ischemic disease, hypertension, heart failure, and valvular disease.
Can ECG show cardiomyopathy?
Electrocardiogram (EKG or ECG): An EKG records the heart’s electrical activity, showing how fast the heart is beating and whether its rhythm is steady or irregular. An EKG can be used to detect cardiomyopathy as well as other problems, including heart attacks, arrhythmias (irregular heartbeats) and heart failure.
What is hypertrophy cardiomyopathy?
What is Hypertrophic Cardiomyopathy? Hypertrophic cardiomyopathy is most often caused by abnormal genes in the heart muscle. These genes cause the walls of the heart chamber (left ventricle) to contract harder and become thicker than normal. The thickened walls become stiff.
How is hypertrophic cardiomyopathy diagnosed?
An echocardiogram is commonly used to diagnose hypertrophic cardiomyopathy. This test uses sound waves (ultrasound) to see if your heart’s muscle is abnormally thick. It also shows how well your heart’s chambers and valves are pumping blood.
What are the symptoms of LVH?
Symptoms
- Shortness of breath.
- Fatigue.
- Chest pain, often after exercising.
- Sensation of rapid, fluttering or pounding heartbeats (palpitations)
- Dizziness or fainting.
Is LVH curable?
LVH can often be corrected by treating the underlying problem causing the heart to work too hard. Depending on the type of damage that has occurred, treatment measures may include medications and heart-healthy lifestyle changes to help reduce the pressure in the heart.
Is hypertrophy of the heart bad?
But when it comes to the heart, bigger is not better. An enlarged or thickened heart — a condition doctors call left-ventricular (LV) hypertrophy — can lead to heart failure. It also may double the risk of dementia and cognitive impairment. “Hypertrophy is not normal.