…amplitude increases gradually from V1 to V5 and then diminishes again in V6. Refer to Figure 1 . Abnormal R wave progression implies that the gradual…

…study, while variants of uncertain significance were found in a further 44%. Truncating variants in TTN are among the most frequent recognised genetic findings and

…contained in all apoB containing lipoproteins, including: LDL Intermediate density lipoprotein (IDL) Lipoprotein(a) [Lp(a)] Very low density lipoprotein (VLDL) Chylomicrons and other triglyceride…

…with a paper speed of 25 mm/s, which is standard in the US and many other countries, a 2:1 block will be difficult…

…Consequently, the decision to prescribe colchicine requires attention to the balance between reduction in ischaemic events and possible infectious or other non cardiovascular adverse outcomes…

…In the setting of acute coronary syndrome (ACS), DAPT is used to reduce recurrent myocardial infarction, stent thrombosis and other ischemic events after coronary angiography…

…Caffeine and other methylxanthines, which antagonize adenosine receptors, should be avoided for at least 12 hours before testing. Dobutamine : Contraindicated in patients with severe hypertension…

…wide QRS complex and a pulse that can be felt. The other predictable error is forgetting that pacing hurts a great deal in a conscious…

…subsequently converted by aldehyde dehydrogenase to acetate. The remaining fraction is excreted unchanged in urine, perspiration and exhaled breath. Blood alcohol concentration generally peaks 10…

…cortical blindness, and, in advanced cases, loss of consciousness. Focal neurological findings are uncommon in hypertensive encephalopathy and should prompt consideration of stroke. Acute ischemic…

…dietary measures and maximally tolerated statin therapy, with or without other LDL C lowering drugs, when additional LDL C reduction is required, including in patients…

…strong and oppositely directed forces tend to cancel each other out. However, the ECG may show features characteristic of biventricular hypertrophy. Biventricular hypertrophy ECG In…

…is generally performed in order to evaluate ventricular function, since it may affect the choice of device therapy and also suggest whether other interventions (e…

ECG Myocardial ischemia and infarction Myocardial ischemia: cellular changes, ECG signs and development of infarction Like all other cells in the human body, cardiac myocytes…

…and allows for standardized comparisons of serial examinations. If pathology is discovered during the standard examination, other examinations (which are not included in the standard…

…SB in healthy young individuals who are not well trained. This is also a normal finding. Abnormal (pathological) causes of sinus bradycardia In all other…

…Other common causes are cardiomyopathy (hypertrophic or dilated), arrhythmogenic right ventricular cardiomyopathy, Brugada syndrome, early repolarization. Electrolyte disorders, acidosis, hypoxemia and ischemia all aggravate the…

…or other atherosclerotic disease; diabetes and other cardiovascular risk factors; smoking, hypertension, hypercholesterolaemia, and sedentary behaviour; family history, particularly in the broader assessment of peripheral…

…be adequately inferred from changes in a single intermediate marker such as cholesterol. Dietary composition may influence blood pressure, glucose–insulin homeostasis, lipids and apolipoproteins…

…findings from non invasive testing and the anticipated effect of the result on management. ICA with available coronary pressure assessment is recommended in patients with…

…and in these cases, the likelihood of ROSC is higher as compared to other etiologies and presentations. Asystole and pulseless electrical activity (PEA) often have…

…sedentary behaviour and loss of independence. Identification of PAD also provides an opportunity to recognise atherosclerosis in other arterial territories and to initiate secondary prevention…

…of a millilitre, at most about 0.5 mL. A larger volume draws in peripheral blood and dilutes the specimen. Marrow clots within seconds; the…

…spot, in three minutes, without drugs . The diagnosis rests on the history, a positive Dix–Hallpike test and the absence of other neurological findings. The…

…GY. Evaluation of risk stratification schemes for ischaemic stroke and bleeding in 182 678 patients with atrial fibrillation: the Swedish Atrial Fibrillation cohort study. Eur…

…18 mg are unlikely to revert a tachycardia and should not be used. Specific dosing adjustments are required in certain patient populations: Pediatric patients: For…

…generally asymptomatic and hemodynamically stable. However, when the sinus rate is extremely low—such as less than 40 to 50 beats per minute in the…

…Moderate or severe chronic kidney disease (CKD) Hypertension mediated organ damage (HMOD) Probable or definite familial hypercholesterolaemia Other markedly abnormal single risk factors or genetic…

…37 Haemodynamic complications 0.26 Cardiac chamber perforation 0.03 Other complications 0.28 Total major complications 1.70 In another large diagnostic catheterization analysis…

…reflects differences in ascertainment and imaging technique. Coronary fistulae represent abnormal communications between a coronary artery and a cardiac chamber or vessel. Other congenital anomalies…

…plaque, thrombus, and implanted stents. The principal modalities used in the catheterization laboratory are intravascular ultrasound (IVUS) and optical coherence tomography (OCT). Unlike coronary angiography…

…presenting with myocardial infarction in other reports. It is more frequent in women and in patients presenting with NSTEMI than in those presenting with STEMI…

…for routine use. No reflow may also occur in association with other procedural complications, including distal embolization, coronary dissection, perforation, and abrupt closure. The clinical…

…of prescribed drugs in blood or urine. The terms “controlled resistant hypertension,” referring to blood pressure controlled with four or more medications, and “refractory hypertension…

…complete discontinuation of tobacco smoking, with avoidance of second hand smoke and, where possible, other inhaled nicotine products. In cardiovascular medicine, the objective is not…

…Excessive fatigue. These non chest pain manifestations are reported more frequently in females, older adults and people with diabetes. Ischaemic heart disease may also present…

…pulseless electrical activity (PEA), and asystole can all occur in one patient. The typical depiction of sudden cardiac death as a gradual transition from sinus…

…the clinical characteristics are in line with the disorder. There are however other disorders that may bring about similar ECG changes, and these are as…

…Deasy et al ). A complete airway obstruction results in PEA and cardiac arrest within 8 minutes. Cardiac arrest as a result of asphyxia or hypoxia…

…bundle of His, and hence it originates in the atria. In other words: tachycardias with narrow QRS complexes originate in the atria. the term supraventricular…

…on the other hand, are much less likely to be caused by ischemia ( Figure 1 B ). This is noted in both North American and European…

…ventricular rhythm and idioventricular rhythm The usual mechanisms are responsible for all ventricular rhythms. Increased automaticity (in His Purkinje fibers), abnormal automaticity (in contractile myocardium…

…Overview Acute coronary syndrome comprises STEMI, NSTEMI and unstable angina. Management begins in parallel with the diagnostic work up. Obtain an interpretable 12 lead ECG…

…or cessation of prolonged and heavy alcohol intake. The condition can develop despite a measurable or high blood alcohol concentration, particularly in patients with marked…

…metabolizing bradykinin and other tachykinins, such as substance P. When ACE is inhibited, the resulting accumulation of these peptides irritates afferent neural pathways in the…

…these abnormalities in the presence of abnormal clinical risk assessment. Low risk PE is characterized by clinical low risk features, negative cardiac biomarkers, and no…

…haemodynamic instability, anaemia and other nephrotoxic exposures may contribute to tubular injury, making attribution to contrast alone difficult. In patients with normal renal function, the…

…of foamy macrophages. The occurrence of neoatherosclerosis helps explain why ISR and other stent related events may arise well after the initial intervention. Mechanical mechanisms…

…dysfunction caused by pulmonary embolism Infiltrative cardiomyopathies, particularly cardiac amyloidosis Sepsis and other hyperdynamic states In cardiac amyloidosis, BNP or NT proBNP may be markedly…

…and other familial forms associated with adrenal adenoma or bilateral adrenal hyperplasia. A family history is therefore important, particularly in patients with early onset hypertension…

…other systemic influences. The severity of myocardial injury is determined not only by the epicardial obstruction but also by the vulnerability of the myocardium and…

…smoking and other conventional risk factors, together with diabetes specific vascular and metabolic abnormalities. Diabetes is associated with inflammation, thrombosis and accelerated atherosclerosis. In CKD…

…or other professionals. A physician is always formally responsible for conducting the test. All personnel must be appropriately trained and the laboratory must be equipped…

…fibrillation, ventricular tachycardia, and other tachyarrhythmias with discernible QRS complexes. Shockable rhythm : Tachyarrhythmias that can be treated with defibrillation (ventricular fibrillation) or cardioversion (ventricular tachycardia)…

…injecting into it, and expect the procedure to hurt even so. Offer nitrous oxide, oral or intravenous analgesia, or procedural sedation in advance. Inadequate analgesia…

…intracerebral haemorrhage and assess early ischaemic changes CT angiography The standard investigation in acute stroke to identify large vessel occlusion, dissection or other vascular pathology…

…autoregulation in the brain and kidneys towards higher pressures. Too rapid a normalisation can therefore cause cerebral, coronary or renal ischaemia. Neurological status, urine output…

…without persistent ST segment elevation, accompanied by a rise and subsequent fall in cardiac specific troponin attributable to myocardial ischaemia. UA presents with compatible ischaemic…

…It is dynamic and may improve or worsen with illness, treatment, or other interventions. Frailty commonly overlaps with multimorbidity and is frequent in patients with…

…life and a consequent excess risk of premature atherosclerotic cardiovascular disease (ASCVD), particularly coronary artery disease (CAD). FH results from pathogenic variants affecting proteins in…