…the R wave and/or notch in the descending limb of the S wave In case of complete/incomplete bundle branch block or pacemaker rhythm…

…However, other inheritance patterns, de novo variants, incomplete penetrance and variable phenotypic expression complicate risk prediction. Familial clustering may also reflect shared environmental or behavioural…

…containing lipoproteins, including: LDL Intermediate density lipoprotein (IDL) Lipoprotein(a) [Lp(a)] Very low density lipoprotein (VLDL) Chylomicrons and other triglyceride rich particles Thus, non…

…which is standard in the US and many other countries, a 2:1 block will be difficult to discern because the flutter wave may fuse…

…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…

…syndrome (ACS), DAPT is used to reduce recurrent myocardial infarction, stent thrombosis and other ischemic events after coronary angiography, percutaneous coronary intervention (PCI), or medical…

…in patients with active bronchospasm, severe hypotension, or high degree AV block. Caffeine and other methylxanthines, which antagonize adenosine receptors, should be avoided for at…

…degree AV block Mobitz type 2, newly discovered complete heart block without current symptoms, alternating bundle branch block in acute anterior infarction, and before drugs…

…myocardial infarction may coexist with adverse effects on stroke, heart failure, cardiovascular mortality and atrial fibrillation. Consequently, alcohol should not be initiated as a cardiovascular…

…and cerebral involvement. Catecholamine excess and drug related presentations Severe hypertension may result from phaeochromocytoma, monoamine oxidase inhibitor crisis, cocaine intoxication, or other sympathomimetic exposure…

…biweekly injections. Inclisiran is used as an adjunct to dietary measures and maximally tolerated statin therapy, with or without other LDL C lowering drugs, when…

…multiple leads P pulmonale Figure 1. ECG changes seen in left ventricular hypertrophy (LVH) and right ventricular hypertrophy (RVH). The electrical vector of the left…

…therapy and also suggest whether other interventions (e.g. heart failure management, evaluation for coronary artery disease, etc .) are warranted. Management of AV blocks aims…

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…

…2. Sinus bradycardia, two premature ventricular contractions, incomplete right bundle branch block and ST segment depressions in V2 V6. Click to zoom. Figure 3. Sinus…

…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…

…peripheral artery disease (PAD), and other manifestations of systemic atherosclerosis. The principal clinical concern is cerebral embolism or haemodynamic compromise leading to transient ischaemic attack…

…vegetables, nuts and legumes; unsaturated fatty acids and other bioactive compounds from nuts; and antioxidant and antithrombotic constituents from whole grains. These combined effects may…

…intraluminal mass and lesion haziness raise suspicion of thrombus, although haziness is not specific. Intravascular imaging can identify plaque disruption, thrombus and other structural features…

…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…

…atherosclerosis is the predominant cause. Other mechanisms include thrombosis, embolism, vasculitis, fibromuscular dysplasia, arterial entrapment, cystic adventitial disease and trauma. Atherosclerotic PAD is a manifestation…

…Previous pelvic irradiation on the intended side (yields fibrotic, unrepresentative marrow — choose the other side). A patient who cannot lie still — plan for sedation rather…

…drugs . The diagnosis rests on the history, a positive Dix–Hallpike test and the absence of other neurological findings. The treatment is a repositioning manoeuvre…

…score. Comparison with other bleeding risk models Several bleeding risk assessment tools exist for patients with AF, including HAS BLED, HEMORR2HAGES, and ORBIT scores. Each…

…a decrease in Vmax. Consequently, shifts in the pacemaker site within the sinus node and sinus exit block may occur. In humans, adenosine initially slows…

…or intraventricular blocks. Isolated sinus bradycardia in the early hours following infarction may be associated with hemodynamic compromise. More broadly, bradyarrhythmic arrest and asystole represent…

…adults with elevated blood pressure (BP), in whom absolute cardiovascular risk varies considerably according to age and the presence of concomitant risk factors. In contrast…

…contrast media are injected selectively into the epicardial coronary arteries through a catheter advanced from a peripheral artery to the aortic root and coronary ostia…

…take off, and an intramural course. An anomalous left coronary artery is less common but more malignant than an anomalous right coronary artery. Anomalous origin…

…and distal reference segments; assessment of stent expansion and apposition; recognition of edge dissection, tissue prolapse, thrombus, or other acute complications; investigation of restenosis and…

…younger and more often female than patients with atherosclerotic mediated myocardial infarction. A history of cigarette smoking may be present despite relatively few other conventional…

…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…

…to below 140 mmHg and 90 mmHg, respectively, despite: Appropriate lifestyle measures; A renin–angiotensin system blocker; A calcium channel blocker; and A thiazide or…

…other inhaled nicotine products. In cardiovascular medicine, the objective is not merely to reduce cigarette consumption but to achieve complete abstinence from tobacco and ultimately…

…Other mechanisms capable of obstructing coronary arteries include embolism, dissection, coronary arteritis associated with systemic vasculitis, extrinsic compression, myocardial bridging and radiation induced coronary disease…

…regardless of all other circumstances. The initial rhythm is an indicator of the underlying etiology, duration of cardiac arrest, quality of CPR, and a prognostic…

…30%) and dyspnea (10%). The major ECG findings in ARVC are T wave inversion in V1–V3 (in the absence of right bundle branch block…

CPR Hypoxia and asphyxiation Hypoxia refers to a reduced partial pressure of oxygen in the blood. Asphyxia is characterized by insufficient ventilation, leading to hypoxia…

…system (which is slow). However, WCTs may be supraventricular, if the tachycardia is accompanied by one of the following conditions: bundle branch block, aberrant v

…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…

…focus arises in or near the bundle of His, the impulse may be delivered to both bundle branches and subsequently the entire ventricular myocardium normally…

…STEMI and other ECG patterns suggesting acute coronary occlusion are time dependent conditions. The decision on immediate reperfusion is based on symptoms, the ECG and…

…beta blockers, alpha 2 agonists and antipsychotics, which mainly affect individual symptoms. Initial management ABCDE and immediate tests Assess the withdrawal and other life threatening…

…the sensitization of sensory nerve endings due to the accumulation of bradykinin. ACE is responsible for metabolizing bradykinin and other tachykinins, such as substance P…

…haemodynamic collapse, and death. The clinical consequences are particularly important when pulmonary vascular obstruction is accompanied by limited cardiopulmonary reserve or other adverse comorbidity. The…

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

…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…

…Pericardial disease, including constriction Right ventricular dysfunction caused by pulmonary embolism Infiltrative cardiomyopathies, particularly cardiac amyloidosis Sepsis and other hyperdynamic states In cardiac amyloidosis, BNP…

…1, formerly termed glucocorticoid remediable aldosteronism, and other familial forms associated with adrenal adenoma or bilateral adrenal hyperplasia. A family history is therefore important, particularly…

…or right ventricular involvement Pre existing abnormalities such as prior infarction, left bundle branch block, Wolff–Parkinson–White patterns or ventricular pacing STEMI and non…

…CKD Other clinically relevant cardiovascular disease, including PAD Conversely, patients with CVD should be screened systematically for diabetes because undiagnosed T2DM is common and has…

…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)…

…anaesthetic. Place a field block in healthy skin around the abscess instead of injecting into it, and expect the procedure to hurt even so. Offer…

…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…

…the dosing, the adverse effects and the important precautions. A hypertensive emergency is defined by a markedly raised blood pressure in combination with new or…

…is generally related to an atherothrombotic event, whereas Types 2–5 MI have other mechanisms of myocardial ischaemia and necrosis. Unstable angina (UA) represents myocardial…

…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…

…premature CAD or other vascular disease. A history of myocardial infarction or raised cholesterol among relatives. The presence of tendon xanthomas, corneal arcus and xanthelasma…