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Interpretation of myocardial perfusion images (Myocardial SPECT / PET)

…as misalignment can lead to incorrect interpretation of perfusion differences. Perfusion assessment The assessment of myocardial regions in myocardial perfusion imaging (MPI) is based on…

ECG changes due to electrolyte imbalance (disorder)

…Increased QRS amplitude. Diminished T wave amplitude Osborn like waves. ST segment elevation in leads V1–V2. All degrees of AV block. Sinus node dysfunction…

Obesity and Cardiovascular Disease: Assessment and Treatment

…and population level risk estimation, but it does not characterize body composition, fat distribution, skeletal muscle mass, physical fitness or individual health status. In particular…

Left Bundle Branch Block: ECG criteria and clinical implications

…notching of the mid QRS in at least two left facing leads [7]. These stricter parameters correlate more closely with abnormal LV mechanical function and…

Digoxin - ECG changes, arrhythmias, conduction defects & treatment

…The most classical ECG finding is generalized ST segment depressions with curved ST segment (generalized implies that the depressions may occur in most ECG leads)…

Vasospastic (Prinzmetal) Angina: Provocation Testing and Treatment

…spasm produces a reversible functional occlusion and usually causes transmural ischaemia. The resulting abnormalities in left ventricular function may lead to myocardial infarction, ventricular tachycardia…

Exercise Electrocardiographic Testing: Indications, Limitations and Interpretation

…angina, impaired exercise capacity, an abnormal blood pressure response or ventricular arrhythmias. A fall in systolic blood pressure, particularly when accompanied by evidence of ischaemia…

The QRS complex: ECG features of the Q-wave, R-wave, S-wave & duration

ECG Introduction to ECG interpretation The QRS complex (ventricular complex): normal and abnormal configurations and intervals A complete QRS complex consists of a Q , R…

🟠 Reference values for adult ECG

…atrial rate (beats/min)? P waves should precede every QRS complex and the P wave should be positive in lead II. Common findings Sinus rhythm …

Quiz: ECG in athletes

…females) C: Incomplete Right Bundle Branch Block (rSR' pattern in lead V1 and qRS pattern in V6 with QRS duration <120 ms) D: Profound sinus…

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