…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…

…front , and this is why the margin must be included in the freeze. Contraindications Absolute: Suspected melanoma or any other pigmented lesion of uncertain diagnosis…

…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 ECG changes (see below) should lead to a suspicion of ARVC. The gradual loss of myocardium leads to ventricular dilation and right heart…

…impulses spreading from other parts of the ventricle (where the fascicle is intact). Figure 1. Left anterior fascicular block (anterior hemiblock) and left posterior fascicular…

…severe hypotension, or high degree AV block. Caffeine and other methylxanthines, which antagonize adenosine receptors, should be avoided for at least 12 hours before testing…

…electrical instability which explains why ventricular tachycardia may progress to ventricular fibrillation. Left untreated, ventricular fibrillation leads to asystole and cardiac arrest. All healthcare providers…

…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…

…formation is most commonly related to the left atrial appendage, although competing mechanisms such as large artery atherosclerosis and small vessel disease may also contribute…

ECG Hypertrophy and dilatation Biventricular hypertrophy Simultaneous hypertrophy of the left and right ventricle is rather common. The ECG has low sensitivity with respect to…

…Other leads Greater than or equal to 1 mm These criteria for the other leads apply in the absence of left ventricular hypertrophy or left…

…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…

…factor for developing atrial fibrillation is age. Other significant risk factors are as follows: male sex, hypertension, left ventricular hypertrophy, left ventricular dysfunction, valve disease…

…ventricular hypertrophy P wave in II 2.5 mm tall Right atrial enlargement P wave in V1 Terminal negative component 1 mm × 40 ms Left…

…hypertension and atherosclerotic coronary disease In patients with heavy alcohol use, left ventricular dilation may precede the development of increased left ventricular hypertrophy and mass…

…of age. Hypertension related left ventricular hypertrophy, concentric remodelling, reduced longitudinal strain and heart failure with preserved ejection fraction are more frequent in women. Diabetes…

…NSTE ACS/NSTEMI are almost invariably accompanied by ST segment depressions in other leads (particularly V5) and that is not consistent with posterior transmural ischemia…

…and II. Heart axis deviation: right axis deviation (RAD) and left axis deviation (LAD) Causes of right axis deviation Normal in newborns. Right ventricular hypertrophy…

…left bundle branch block (LBBB) nor a right bundle branch block (RBBB). The QRS morphology of nonspecific intraventricular conduction delays may vary substantially. Definition and…

…RBBB) and pre excitation Left ventricular hypertrophy (LVH) , right ventricular hypertrophy (RVH) , left bundle branch block (LBBB) , right bundle branch block (RBBB) and pre excitation…

…by examining fewer leads. On the other hand, for the purpose of diagnosing morphological changes (e.g. myocardial ischemia, ventricular hypertrophy), the ability to do…

…presentation and other findings. A reduced CFR may occur with angiographically insignificant epicardial disease because of abnormalities in the coronary resistance vessels. Left ventricular hypertrophy…

…cardiomyopathy, hypertrophy, LV dysfunction, or other pathology that could affect the safety or interpretation of the examination. Evaluation and Physical Examination Before stress echocardiography, clinical…

…QRS complex. Axis deviation: right axis deviation (RAD) and left axis deviation (LAD) Causes of right axis deviation Normal in newborns. Right ventricular hypertrophy. Acute…

…anaemia, and hypotension or shock. Conversely, mechanisms that increase myocardial oxygen demand include sustained tachyarrhythmia and severe hypertension, with or without left ventricular hypertrophy. In…

…sustained bradyarrhythmia, tachyarrhythmia, or severe hypertension with or without left ventricular hypertrophy. Among patients with NSTE ACS undergoing angiography, approximately 10% have no critical epicardial…

…Pointed T waves are tall and narrow at the top. Refer to Figure 1 . Patients with left ventricular hypertrophy may instead display normalization of secondary…

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

…sensitivity is low). U wave changes always accompany other ischemic ST T changes. They may occur in both NSTEMI and STEMI. QTc prolongation The QT…

…6. Assess the indication for antibiotics on the basis of sputum purulence, the other cardinal symptoms and the severity of the illness. 7. Start NIV…

…administration, warnings, precautions, and other relevant information for the drug Ticagrelor . Table 1 Summary Indications Ticagrelor, in combination with acetylsalicylic acid (ASA), is indicated for…

…Non HDL C and apoB are secondary targets or risk refining measures, particularly in patients with: Diabetes or other cardiometabolic risk factors Obesity Insulin resistance…

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…

…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…

…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…

…Interactions Pharmacodynamic interactions Anticoagulants, thrombolytics, or other platelet aggregation inhibitors: Salicylates inhibit platelet function and enhance the effect of anticoagulants, increasing bleeding risk. Monitor coagulation…

…and progression of atherosclerotic disease in patients with established coronary or other atherosclerotic vascular disease. Antiplatelet therapy is a central component because platelet activation and…

…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…

…effect is relatively limited compared with agents that inhibit other platelet pathways. The distinction between primary and secondary prevention is fundamental: Primary prevention refers to…

…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…

…Other life threatening cardiopulmonary conditions account for approximately 5% of presentations in some populations. Despite this relatively low prevalence, missed myocardial infarction remains consequential, and…

…Study, which demonstrated that high blood pressure and high cholesterol levels, among other risk factors, were strongly associated with coronary artery disease and myocardial infarction…

…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…

…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…

…myocardial infarction and stroke Likelihood of repeat revascularization Symptom burden and treatment goals Diabetes, left ventricular function and other comorbidities Surgical risk and contraindications to…

…Typical symptoms include: Ischaemic rest pain. Coldness or numbness of the foot and toes. Pain that is worse at night or when the limb is…

…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…

…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…

…other symptoms that may be caused by myocardial ischemia. Other symptoms include dyspnea, pain radiating to the left arm/shoulder/throat, palpitations, back pain and…

…Figure 2. Continuous wave doppler along the left ventricle, the opening of the mitral valve and the left atrium. Recall that velocities (flows) directed away…

…annihilate each other, producing two gamma photons emitted in opposite directions. PET scanners detect these gamma rays to construct images with high spatial and temporal…

…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…

…electrically dissociated from each other. This condition is referred to as atrioventricular (AV) dissociation. Importantly, for the ventricles to have any electrical (and thus pumping)…

…index 15–19 kg/m² 17–22 kg/m² Ideal and dosing weight Drug dosing often requires a weight other than the actual body weight…

…as in the table above for rivaroxaban and edoxaban. Check every 6 months 15 30 Dabigatran contraindicated. The other DOACs are possible according to FASS…

…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…

…the shortest catheter, while left sided and femoral insertions require longer ones — check the length in the set against the chosen side. An ultrasound machine…

…block without pacemaker protection. Asthma and other marked obstructive airways disease — relative; the risk of bronchospasm is real. Hypotension and haemodynamic instability. Respiratory compromise during…

…then 100 mg × 1 5–7 days Epiglottitis and other severe upper airway infection cefotaxime 1–2 g × 3 IV Depends on the diagnosis Always…

…coronary syndrome, acute left ventricular failure with pulmonary oedema, acute aortic syndrome, acute kidney injury, microangiopathic haemolysis, and severe pre eclampsia or eclampsia. The blood…