…paraesthesiae Neuroglycopenic symptoms An inadequate supply of glucose to the brain can cause: difficulty concentrating irritability or abnormal behaviour slurred speech visual disturbance confusion focal…

…glucose. 3. Exclude immediately treatable threats without delay: hypoxia, hypoglycaemia, circulatory failure, sepsis, stroke, intracranial haemorrhage, seizure, poisoning and severe withdrawal. 4. Establish whether the…

…adult Abnormal relaxation (grade 1 dysfunction) Pseudonormal (grade 2 dysfunction) Reversible restrictive filling (grade 3 dysfunction) Irreversible restrictive filling (grade 4 dysfunction) E/A ratio…

…11.029. Pulmonary valve Pulmonary valve regurgitation Mild regurgiation Moderate regurgitation Severe regurgitation Pulmonary valve morphology normal normal/abnormal abnormal Density CW Doppler weak, slow…

…size and volume Women Men Normal range Mildly abnormal Moderately abnormal Severely abnormal Normal range Mildly abnormal Moderately abnormal Severely abnormal ATRIAL DIMENSIONS LA diameter…

Pulmonary valve regurgitation Mild regurgiation Moderate regurgitation Severe regurgitation Pulmonary valve morphology normal normal/abnormal abnormal Density CW Doppler weak, slow deceleration variable dense, steep…

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…

…LQTS) is characterised by an abnormal prolongation of the QT interval on the surface electrocardiogram (ECG), which predisposes the myocardium to a specific form of…

…by transient abnormal vasoconstriction of one or more coronary arteries. Epicardial spasm produces a reversible functional occlusion and usually causes transmural ischaemia. The resulting abnormalities…

…ECG diagnosis and management Atrial fibrillation is the most common abnormal tachyarrhythmia (only sinus tachycardia is more common). The prevalence of atrial fibrillation correlates strongly…

…the albumin and the bilirubin — and they become abnormal late. A cirrhotic liver can have entirely normal transaminases. Reference ranges Interpreting the pattern Pattern Predominant…

…are monitored. The test is generally symptom limited and is stopped when limiting symptoms, significant electrocardiographic changes, arrhythmias or an abnormal haemodynamic response occurs, or…

…its complications—shock, reinfarction, myocardial rupture, and ventricular tachyarrhythmia—rather than embolization itself. A thrombus may be: Mural: flattened, fixed, and closely adherent to the…

…activity is most commonly attributable to abnormal automaticity or re entry mechanisms; triggered activity is a less frequent cause. The atrial rate typically ranges from…

…during ventricular contraction and relaxation. Pericardial effusion is the presence of an abnormal amount of fluid in the pericardial space. It can be caused by…

…and the subsequent articles. Note that the terms intraventricular conduction delay and intraventricular conduction defect are used interchangeably. Normal and abnormal intraventricular impulse conduction The…

…V6. Refer to Figure 1 . Abnormal R wave progression implies that the gradual increase from V1 to V5 is absent. It may be broken, as…

…discussion. A premature ventricular complex is recognized on the ECG as an abnormal and wide QRS complex occurring earlier than expected in the cardiac cycle…

…Marfan syndrome Takayasu's arteritis Iatrogenic (e.g complication of catheterization) Congenital dysplasia/aplasia of the pulmonary valve Idiopathic pulmonary artery dilation Pulmonary regurgitation results…

…from the ATRIA study cohort, this score aids clinicians in estimating the risk of bleeding complications due to anticoagulants. Components of the ATRIA Score The…

…the American Society for Echocardiography (J Am Soc Echocardiogr 18:1440 1463, 2005). Left ventricular mass and geometry Women Men Reference Mildy abnormal Moderately abnormal…

…Gonzalo; Baumgartner, Helmut et al. (2012): Guidelines on the management of valvular heart disease (version 2012). In European heart journal 33 (19), pp. 2451–2496…

…10% of wide complex tachycardias actually originate from the atria but the QRS complexes become wide due to abnormal ventricular depolarization (e.g sinus tachycardia…

…either RV dysfunction or elevated biomarkers, or neither of these abnormalities in the presence of abnormal clinical risk assessment. Low risk PE is characterized by…

…inversion can occur without coronary artery disease. Proposed explanations in the source material include cardiac memory after abnormal ventricular activation, transient rate related conduction abnormalities…

…They supersede risk models that estimate cardiovascular mortality alone because non fatal events constitute an important component of the overall burden of atherosclerotic cardiovascular disease…

…represent abnormal communications between a coronary artery and a cardiac chamber or vessel. Other congenital anomalies include anomalous origin of a coronary artery from the…

…supports the diagnosis Structural or functional cardiac abnormality Evidence such as increased left atrial size, left ventricular hypertrophy or abnormal LV filling supports the diagnosis…

…Pathophysiology Abnormal ventricular relaxation and increased filling pressures The central hemodynamic abnormality in HFpEF is impaired diastolic function. The left ventricle may have apparently preserved…

…as a complication of myocardial infarction (MI) [5]. It is more frequently associated with anterior infarction than with inferoposterior infarction [4]. Myocardial Necrosis : The occurrence…

…or cause abnormal vasoconstriction of coronary arterioles. Structural and functional mechanisms may coexist. The formal diagnostic construct for MVA incorporates four components: Symptoms suggestive of…

…are typically considered abnormal or profound findings that may require further investigation. 2. What heart rate range is ideally recommended for measuring the QT interval…

…1 Female sex 1 Bleeding risk must be considered alongside thromboembolic risk. The HAS BLED score includes hypertension, abnormal renal or liver function, prior stroke…

…8%. This implies that approximately one third of the patients who ultimately had a favorable neurological recovery exhibited an abnormal pupillary reflex upon initial examination…

…however, tachyarrhythmia is defined as an abnormal and rapid heart rate, whereas tachycardia is defined as the subjective perception of a rapid heart rate. These…

Drugs and electrolyte imbalance ECG ECG changes due to electrolyte imbalance (electrolyte disorder) The normal cardiac action potential may be altered by electrolyte imbalance, owing…

…ECG waves and how to determine whether the ECG is normal or abnormal. Although heart rhythm will be discussed in detail in the next chapters…

…An arrhythmia is defined as an abnormal heart rhythm or heart rate, which is not physiologically justified . The latter criterion is important because rhythms that…

…of the QRS complex as an R’ wave (pronounced "R prime"), which is directed anteriorly and rightward. Due to the abnormal depolarization sequence of the…

…limb lead II. Normal (physiological) causes of sinus bradycardia Sinus bradycardia (SB) is considered a normal finding in the following circumstances: During sleep . Well trained…

…the T wave is said to be discordant which is abnormal. Because most ECG leads have net positive QRS complexes (during normal circumstances) the T…

…abnormal automaticity (in contractile myocardium), re entry (anywhere) or triggered activity (anywhere) may all cause ventricular arrhythmias. Indeed, any cell type in the ventricles may…

…An abnormal 24 hour rhythm should prompt investigation for sleep apnoea, renal disease and secondary hypertension, and lead to one dose being moved to the…

…with respiratory compensation, or a mixed metabolic and respiratory alkalosis if the pCO₂ is too low Normal Abnormal Abnormal A compensated simple disorder, or two…

…11.029. Pulmonary valve Pulmonary valve regurgitation Mild regurgiation Moderate regurgitation Severe regurgitation Pulmonary valve morphology normal normal/abnormal abnormal Density CW Doppler weak, slow…

…dyscrasia in which abnormal plasma cells produce misfolded immunoglobulin light chains [8, 19]. Light chains are directly toxic to cardiomyocytes, inducing the elaboration of high…

…The following categories describe the principal eGFR stages: CKD stage eGFR Clinical context Cardiovascular or renal significance 1 60 mL/min/1.73 m² Abnormal…

…clinical context, the diagnosis requires evidence of new myocardial ischaemia, which may manifest through symptoms, ECG changes, or angiographic complications. Evaluation and Physical Examination The

…abnormal arteriolar vasoconstriction. More than one mechanism may coexist. Supply–demand mismatch MINOCA may result from a mismatch between myocardial oxygen supply and demand. The…

…can be obtained or become abnormal, in the presence of symptoms suggestive of ischaemia and presumed new ischaemic ECG changes. The distinction between myocardial injury…

…Depression, low self esteem or body image disturbance The number and severity of obesity related complications generally increase as the degree of obesity rises. Nevertheless…

…in healthy people older than 60 years. The abnormal slope does not itself distinguish precapillary from postcapillary disease. A PAWP/cardiac output slope greater than…

…be made solely from an abnormal cTn concentration in the absence of evidence of ischaemia. Classification of myocardial infarction The Fourth Universal Definition separates MI…

…depression). As mentioned above there are numerous other conditions that affect the ST T segment and it is fundamental to be able to differentiate these…

…and asymmetric T waves. These must be differentiated from hyperacute T waves seen in the very early phase of myocardial ischemia. Hyperacute T waves are…

…acute heart failure may occur in the context of acute myocardial ischaemia, though abnormal cardiac troponin (cTn) values in the setting of acute or chronic…

…Abnormal renal/liver function, Stroke history, Bleeding history, Labile INRs, Elderly age ( 65), and Drugs/alcohol. A crucial clinical pitfall is the misapplication of this…

…ventricular hypertrophy, and to the left in left ventricular hypertrophy). ST T segment Significant hypertrophy may result in abnormal depolarization of the ventricular myocardium. This…

…difficult to discern depending on the skin tone. For laypeople, confirming absent or abnormal breathing is sufficient to alert the emergency service and commence CPR…

…Infarction: Definition & Criteria Acute myocardial infarction is the most severe complication of coronary artery disease. The most common initiating mechanism is rupture or erosion of…