…of the R waves. This is believed to be due to delayed (and thus electrically unopposed) depolarization in the ischemic area. Fragmented QRS complex The…
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…of the R waves. This is believed to be due to delayed (and thus electrically unopposed) depolarization in the ischemic area. Fragmented QRS complex The…
…ventilation–perfusion matching, increased physiological dead space and the Haldane effect. It is therefore misleading to explain the whole phenomenon as abolition of the patie
…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…
…is particularly relevant to cardiomyopathies, channelopathies, heritable aortopathies, selected congenital heart diseases, pulmonary arterial hypertension and thromboembolic disorders. Most recognised heritable cardiovascular conditions demonstrate autosomal…
…with diabetes and combined dyslipidaemia, non HDL C is particularly relevant because it captures triglyceride rich lipoproteins in addition to LDL and other apoB containing…
…small amounts of ATP and glycogen supplies are limited. In order to reduce oxygen demands, cardiac myocytes stop contracting under anaerobic conditions (i.e during…
…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…
…Dix–Hallpike test and the absence of other neurological findings. The treatment is a repositioning manoeuvre. Indications Brief attacks of vertigo, seconds to a minute…
…heparin). Patients with gastrointestinal disorders. Patients with severe kidney disease (glomerular filtration rate < 30 mL/min). Patients with mild to moderate heart failure, kidney…
…term interventions intended to reduce recurrent infarction, ischaemic stroke, cardiovascular death, and progression of atherosclerotic disease in patients with established coronary or other atherosclerotic vascular…
…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…
…compared with agents that inhibit other platelet pathways. The distinction between primary and secondary prevention is fundamental: Primary prevention refers to individuals without established atherosclerotic…
…PAD), and other manifestations of systemic atherosclerosis. The principal clinical concern is cerebral embolism or haemodynamic compromise leading to transient ischaemic attack (TIA) or stroke…
…injury leads to release of cardiac troponin, but troponin elevation is not specific for myocardial infarction. Other conditions may produce cardiomyocyte injury and elevated troponin…
…That study spread like a virus through social media and it is likely that it may have resulted in increased mortality due to stopping statins…
…acute coronary syndrome (ACS), DAPT is used to reduce recurrent myocardial infarction, stent thrombosis and other ischemic events after coronary angiography, percutaneous coronary intervention (PCI…
…sufficient Severe elevation Acute HMOD Present Absent clinically Symptoms Often present and related to the affected organ May be absent or nonspecific Treatment setting Usually…
…infarction and stroke Likelihood of repeat revascularization Symptom burden and treatment goals Diabetes, left ventricular function and other comorbidities Surgical risk and contraindications to prolonged…
…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…
…hand smoke and, where possible, other inhaled nicotine products. In cardiovascular medicine, the objective is not merely to reduce cigarette consumption but to achieve complete…
…This is due to the fact that atrial flutter is caused by a macro re entry circuit (a large re entry circuit) and re entry…
…ECG has low sensitivity with respect to detecting biventricular hypertrophy. This is because the strong and oppositely directed forces tend to cancel each other out…
…and infarction Use of ECG in acute coronary syndromes & chest pain patients An ECG must be performed on all patients seeking medical attention due to…
…The principles of continuous wave Doppler and pulsed wave Doppler. The disadvantage of continuous wave Doppler is that it is not possible to determine where…
…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…
…5. Aspiration: advance the needle with the stylet in place perpendicular to the bone surface, angled slightly anteriorly and medially. Rotate under steady pressure until…
…and maintaining maximal barrier precautions without shortcuts. The most common serious error is dilating a vessel that turns out to be an artery — everything in…
…lesions (these give a more superficial and less controllable depth of freeze). A size 15 scalpel or a pumice stone to pare down hyperkeratotic lesions…
…and on neurophysiology (repetitive nerve stimulation with a decrement ≥ 10 % at 3 Hz, sensitivity about 75 %; single fibre EMG about 95 %). Contraindications Known hypersensitivity to…
…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…
…exceptions Condition Overall strategy Common first choices : : : Acute aortic syndrome Immediate rate control and rapid reduction of the systolic blood pressure towards 100 to 120…
…or with continued glucose administration adapted to the cause. 8. Identify drugs, renal failure, alcohol, a missed meal, physical activity and any other precipitating factor…
…main clinical rule Two questions determine the initial management: 1. Does the patient have severe neurological symptoms that may be due to the hyponatraemia? 2…
…suspicion to bone, pregnancy or malignancy. A markedly raised GGT with the other tests normal is most often enzyme induction by alcohol or drugs and…
…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…
…mitral and tricuspid inflow The echocardiographic counterpart of pulsus paradoxus Contraindications In overt tamponade with shock there are no absolute contraindications other than the conditions…
…or other infection over the injection site. Bacteraemia or suspected septic bursitis or arthritis. A joint prosthesis in the adjacent joint. Known hypersensitivity to the…
…praecordium to the left of the sternum, the other on the back between the left scapula and the spine. The anterolateral position also works and…
…urine to alkalinise, and the sodium and volume load becomes pure harm. Dialysis is then the way forward. Heart failure, pulmonary oedema and other conditions…
[calc_aorta] Sinus of Valsalva (SOV) and Aortic Root Assessment The sinus of Valsalva diameter (SOVd) is a critical measurement in evaluating aortic root morphology…
…Developed from the ATRIA study cohort, this score aids clinicians in estimating the risk of bleeding complications due to anticoagulants. Components of the ATRIA Score…
…is more closely associated with other comorbidities and age rather than sex alone. Consequently, the CHA₂DS₂ VA score was developed to provide a more accurate…
…superiorly to other bleeding risk assessment tools, such as HEMORR2HAGES, ATRIA, ORBIT, and GARFIELD AF scores. Moreover, the HAS BLED score has been found to…
…for major bleeding compared to HAS BLED. The C indices were 0.60 for HAS BLED, 0.55 for HEMORR₂HAGES, and 0.50 for ATRIA…
…is thought to involve the sensitization of sensory nerve endings due to the accumulation of bradykinin. ACE is responsible for metabolizing bradykinin and other tachykinins…
…MI. Type 1 MI is generally related to an atherothrombotic event, whereas Types 2–5 MI have other mechanisms of myocardial ischaemia and necrosis. Unstable…
…rate and oxygenation Evidence of systemic congestion or acute RV failure Syncope or altered clinical status Comorbid cardiopulmonary disease, active cancer, and other conditions incorporated…
…Progressive dilation can subsequently impair left ventricular ejection fraction. Enlargement of the left ventricle predisposes to atrial and ventricular arrhythmias. In advanced alcohol related cardiomyopathy…
…risk plaques may coexist within one coronary tree, and inflammatory activity may be widespread rather than confined to a single lesion. Plaque composition is heterogeneous…
…contribute to vascular dementia, and thromboembolism may affect organs other than the brain. Patients with AF in the setting of ACS have more comorbidities and…
…characterized by reduced physiological reserve and increased vulnerability to adverse outcomes. It is dynamic and may improve or worsen with illness, treatment, or other interventions…
…disease, with symptoms similar to seasonal flu (influenza) and other viral respiratory infections. However, in some individuals the infection may be severe and deadly. Importantly…
…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…
…and other arrhythmias or conduction abnormalities. CKD also worsens the prognosis of established CVD. Mechanisms linking CKD to cardiovascular disease The association is mediated by…
…and impair neutrophil chemotaxis toward inflammatory sites. Its cardiovascular effects therefore appear to reflect modulation of vascular inflammation rather than lipid lowering. Other anti inflammatory…
…The clinical importance of residual disease is also influenced by anatomic complexity and comorbidity, which themselves may contribute to progression of native coronary artery disease…