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IVCD can be caused by abnormalities in the structures of bundle of His, Purkinje fibers or ventricular myocardium. [5] [6] Nonspecific intraventricular conduction delay (NICD) is a delay with widened QRS complex but without a specific intraventricular block present. [7]
A mnemonic can be used for some causes of ST depression, namely DEPRESSED ST: [citation needed]. D - Drooping valve (mitral valve prolapse) E - Enlargement of the left ventricle P - Potassium loss R - Reciprocal ST depression (e.g. inferior wall MI) E - Encephalon hemorrhage S - Subendocardial infarct S - Subendocardial ischemia E - Embolism (pulmonary) D - Dilated cardiomyopathy S - Shock T ...
In medicine, not otherwise specified (NOS) is a subcategory in systems of disease/disorder classification such as ICD-9, ICD-10, or DSM-IV.It is generally used to note the presence of an illness where the symptoms presented were sufficient to make a general diagnosis, but where a specific diagnosis was not made.
ST-T Abnormalities: ST-T vector opposite to QRS without digitalis; ST-T vector opposite to QRS with digitalis; 3 1 Negative terminal P mode in V 1 1 mm in depth and 0.04 sec in duration (indicates left atrial enlargement) 3 Left axis deviation (QRS of −30° or more) 2 QRS duration ≥0.09 sec 1 Delayed intrinsicoid deflection in V 5 or V 6 ...
[6] [19] Most of the dysfunction occurs as a result of abnormalities within the endothelial linings of blood vessels supplying the heart. [19] In TTS, these highly sensitive interior linings of the vessels have reduced functionality which create dysregulation of vascular tone and predispose the individual to vasoconstriction.
Other ECG changes associate with myocardial ischaemia are: ST segment depression with an upright T wave; ST segment depression with biphasic T wave or inverted T wave with negative QRS complex; [5] T wave symmetrically inverted with a pointed apex, while the ST segment is either bowed upwards or horizontally depressed, or not deviated; and ST ...
790.5 Other nonspecific abnormal serum enzyme levels; 790.6 Abnormal blood chemistry, other Iron overload disorder; 790.7 Bacteremia (not septicemia) 790.8 Viremia, unspecified; 790.9 Other nonspecific findings on examination of blood. 790.91 Abnormal arterial blood gases; 790.92 Abnormal coagulation profile; 790.93 Abnormal prostate specific ...
An upsloping, convex ST segment is highly predictive of a myocardial infarction (Pardee sign) while a concave ST elevation is less suggestive and can be found in other non-ischaemic causes. [1] Following infarction, ventricular aneurysm can develop, which leads to persistent ST elevation, loss of S wave, and T wave inversion. [1]