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

…a lesion proximal to the first septal perforator of the left anterior descending artery was associated with lower five year survival than a more distal…

…some patients present with severe LMCA stenosis exacerbated by other conditions, and these must also be recognized. Prompt identification of LMCA involvement is therefore critical…

…preferably anteroposteriorly : one anteriorly over the praecordium to the left of the sternum, the other on the back between the left scapula and the spine…

…Other congenital anomalies include anomalous origin of a coronary artery from the pulmonary artery and anomalous origin of one coronary artery from the opposite aortic…

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

…right anterior (V1) to left lateral (V6), but regrettably, the limb leads are not. Instead, the limb leads are displayed in two groups of three…

…marrow — choose the other side). A patient who cannot lie still — plan for sedation rather than abandoning the procedure. Choice of site The posterior superior…

…to adults in sinus rhythm, recorded at a paper speed of 50 mm/s with 1 mV = 10 mm. At 50 mm/s a…

…is often indicative of a noncardiac source [4]. 3. Pneumonia with Pleurisy Pain Characteristics: Pleuritic pain is a common presentation [2]. 4. Other Systemic/Local…

…setting of ST elevation myocardial infarction (STEMI), cardiogenic shock most commonly reflects severe left ventricular (LV) dysfunction, accounting for approximately 80% of cases. Other causes…

…reflow cycle repeatedly to the circumflex artery before a 60 minute occlusion of the left anterior descending coronary artery (LAD) would reduce the infarct size…

…The ECG grid. The x axis represents time and y axis represents amplitude of the electrical signals generated in the myocardium. The same ECG grid…

…segment depressions with prominent T waves in the majority of the chest leads may indicate an acute occlusion in the LAD (left anterior descending artery)…

…the other arm. 2. Ankle pressure. Place the cuff just above the malleoli, with its lower edge about 2 cm above the tip of the…

…or proximal left anterior descending artery are more likely to affect flow because they supply a larger myocardial territory. The response of the coronary circulation…

…12 seconds), provided that other causes of right axis deviation have been excluded. Causes of left axis deviation Left bundle branch block. Left ventricular hypertrophy…

…12 seconds), provided that other causes of right axis deviation have been excluded. Causes of left axis deviation Left bundle branch block. Left ventricular hypertrophy…

…There are numerous causes of LBBB, such as heart failure, structural heart disease, fibrosis of the conduction system and acute myocardial infarction (particularly anterior STEMI)…

…segments ( apical anterior , apical septal , apical inferior , and apical lateral ) and the apex (Table 2). Table 2. The 17 segments of the left ventricle Basal…

…tricuspid inflow The echocardiographic counterpart of pulsus paradoxus Contraindications In overt tamponade with shock there are no absolute contraindications other than the conditions in which…

…ischemia. Inverted U waves are even more typical of ischemia (but the sensitivity is low). U wave changes always accompany other ischemic ST T changes…

…Lathundar Key messages Two things set the COPD exacerbation apart from many other causes of acute dyspnoea: oxygen must be titrated cautiously and the blood…

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

…Familial and genetic screening in cardiovascular medicine is the systematic assessment of relatives and other individuals who may carry an inherited predisposition to cardiovascular disease…

…C) is the principal therapeutic target in lipid management because LDL and other apolipoprotein B containing lipoproteins play a causal role in atherosclerotic cardiovascular disease…

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

…begins in parallel with the diagnostic work up. Obtain an interpretable 12 lead ECG within 10 minutes of first medical contact, attach continuous rhythm monitoring…

…history, a positive Dix–Hallpike test and the absence of other neurological findings. The treatment is a repositioning manoeuvre. Indications Brief attacks of vertigo, seconds…

…NSAIDs). Other contraindications: Hemophilia. Thrombocytopenia. Active gastric or duodenal ulcers. Liver cirrhosis. Severe heart failure. Doses 100 mg/day during the third trimester of pregnancy…

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

…C and other apoB containing lipoproteins within the arterial wall. This initiates inflammatory reactions that promote plaque formation and progression. As the burden of retained…

…aggregation. Because aspirin affects only one pathway of platelet activation, its antiplatelet effect is relatively limited compared with agents that inhibit other platelet pathways. 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…

…and other symptoms may occur without chest pain and should be considered anginal equivalents. The emergency evaluation of non traumatic chest discomfort is structured around…

…with homozygous FH typically die from acute myocardial infarction at 20 to 30 years of age. People with familial hypercholesterolemia have no other metabolic aberration…

…from selected populations, frequently with low or intermediate ischemic risk and under representation of patients with STEMI or other very high risk features. Noninferiority studies…

…or other vascular beds. Malignant hypertension represents an extreme form in which acute microvascular injury occurs, classically involving fibrinoid necrosis of small arteries in the…

…left ventricular dysfunction, peripheral vascular disease and other manifestations of diffuse atherosclerosis. Percutaneous coronary intervention (PCI) and coronary artery bypass grafting (CABG) are revascularization procedures…

…Other mechanisms include thrombosis, embolism, vasculitis, fibromuscular dysplasia, arterial entrapment, cystic adventitial disease and trauma. Atherosclerotic PAD is a manifestation of systemic arterial disease rather…

…and cardiovascular rationale Smoking cessation is the complete discontinuation of tobacco smoking, with avoidance of second hand smoke and, where possible, other inhaled nicotine products…

…beats per minute. Note that with a paper speed of 25 mm/s, which is standard in the US and many other countries, a 2…

…cancel each other out. However, the ECG may show features characteristic of biventricular hypertrophy. Biventricular hypertrophy ECG In case the ECG or other examinations suggest…

…myocardial ischemia. Other symptoms include dyspnea, pain radiating to the left arm/shoulder/throat, palpitations, back pain and selected cases of upper abdominal pain. An…

…1). This is possible by using two different sets of piezoelectric crystals; one set for sending ultrasound and the other for analyzing reflected sound waves…

…tomographic images of the left ventricle. In PET (Positron Emission Tomography), radiotracers emit positrons. When a positron collides with an electron, they annihilate each other…

…opposite angle of observation. Other vectors may interfere with the injury currents, and inhibit them from being detected by leads with opposite angles of observation…

…atrial impulses are conducted to the ventricles. The atria and the ventricles are electrically dissociated from each other. This condition is referred to as atrioventricular…

…end of expiration, with the tape horizontal and without compressing the skin. Ratios and other measurements Measurement Calculation Threshold : : : Waist–hip ratio Waist / hip Men…

…the bleeding risk of the procedure and by renal function. In markedly reduced renal function (dabigatran at eGFR <30 mL/min, the other DOACs at…

…plasmapheresis or other extracorporeal therapy (requires a large bore dialysis catheter, not an ordinary triple lumen catheter). Measurement of central venous pressure and central venous…

…margin must be included in the freeze. Contraindications Absolute: Suspected melanoma or any other pigmented lesion of uncertain diagnosis. A lesion in which histology is…

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

…applies where you work. They assume normal renal and hepatic function, a non pregnant adult of normal weight, and individual assessment. See the separate quick…

…organ damage. Isolated malignant retinopathy without other acute organ damage can often be treated more cautiously with oral drugs under careful observation [3,4]. A…

…physical activity and any other precipitating factor. Thresholds The thresholds below are used above all in diabetes. The severity of the symptoms and the patient…

…rise can cause osmotic demyelination syndrome [1,2]. Hyponatraemia is primarily a disorder of water balance. The plasma sodium reflects the ratio between the body…

…A markedly raised GGT with the other tests normal is most often enzyme induction by alcohol or drugs and is often of no clinical significance…

…pain or a rapid deterioration in general condition may be the only signs of infection. Corticosteroids and other immunosuppressive treatments can blunt the febrile response…

…treatment — modification of loading, eccentric exercise, an NSAID, an orthosis — has not given a sufficient effect. Contraindications Absolute: Cellulitis, a skin wound or other infection…