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 infarction ECG Definition and Pathophysiology Acute coronary syndromes (ACS) encompass a spectrum of clinical conditions characterized by a recent change in symptoms or signs…

…between myocardial oxygen demand and blood supply, generally during exertion, emotional stress, or another stressor. Manifestations include angina, other chest discomfort, dyspnoea, or no symptoms…

…syndromes, which may present with recent changes in symptoms or signs, with or without ECG abnormalities and with or without an elevation in cardiac troponin…

…correction over 24 and 48 hours. 7. Start a fluid balance chart and hourly urine measurement. Sudden polyuria is a warning sign of impending overcorrection…

…can be used to quantify sodium and potassium intake, preferably while the patient is receiving a stable diuretic dose. Other clinical contexts Secondary causes should…

…hypothermia, and hyperkalemia. Clinical Presentation and Symptoms The clinical manifestation of bradycardia depends on the adequacy of cardiac output. Isolated sinus bradycardia that is unaccompanied…

…despite optimal neurohormonal blockade and adequate volume control. It is also utilized for ventricular rate control in atrial fibrillation, particularly when other therapeutic options cannot…

…Symptom burden and functional limitation Evidence of heart failure Haemodynamic stability Diabetes status Renal dysfunction and other important comorbidities Frailty Liver cirrhosis Cognitive function and…

…itself. It may cause symptoms and impaired quality of life, contribute to heart failure, and increase the risk of stroke and other thromboembolic events. Subclinical…

…provoked after a meal because food intake redistributes blood to the gastrointestinal tract which reduces blood availability in the heart. Symptoms of ischemic heart disease…

…cardiac tamponade. The classical signs of cardiac tamponade are hypotension, muffled heart sounds and jugular venous distention. Other frequent symptoms are pulsus paradoxus, pericardial friction…

…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…

…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…

…poor food intake, reduced eye contact Common and particularly easy to miss. May be misinterpreted as fatigue, depression or dementia Mixed Alternates between hypoactivity and…

…the most useful signs Low voltage on the ECG, electrical alternans Supportive; it does not exclude Diastolic collapse of the right atrium and right ventricle…

…utilized to assess whether there is any residual ischemia or angina pectoris. Patients may undergo repeated stress tests to assess symptoms and signs of ischemia.

…Other Moderate work of breathing Accessory muscle use Cyanosis, exhaustion, hypotension or collapse The classification is based on a combination of clinical findings, oxygenation and…

…Cocaine, amfetamine, other sympathomimetics, herbal remedies and performance enhancing preparations. Monoamine oxidase inhibitors and recent intake of tyramine rich food or interacting drugs. Corticosteroids, calcineurin…

…variants V2–V3 ≥0,02 s or QS complex None All other leads ≥0,03 s and ≥1 mm deep (or QS complex) Individuals with…

…Diagnostic phenotype Criterion HFmrEF Symptoms and/or signs of heart failure Required LVEF 41–49% Natriuretic peptides BNP ≥35 pg/mL or NT proBNP ≥125…

…earliest sign of hyperkalemia is the pointed T waves. This is most pronounced in the precordial (chest) leads. Pointed T waves are tall and narrow…

…first sign of skin rash, mucosal lesions, or hypersensitivity. Interactions Pharmacodynamic interactions Anticoagulants, thrombolytics, or other platelet aggregation inhibitors: Salicylates inhibit platelet function and enhance…

…display either symptoms or ECG changes consistent with myocardial infarction/ischemia. Most patients, however, display both ECG changes and symptoms. Troponins and other biomarkers of…

…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…

…BP value is sufficient Severe elevation Acute HMOD Present Absent clinically Symptoms Often present and related to the affected organ May be absent or nonspecific…

…patient has symptoms suggestive of acute coronary syndrome (ACS), biochemical evidence of myocardial injury with corroborating evidence of infarction caused by ischaemia, and no obstructive…

… symptoms suggesting current or recent cerebral ischaemia; known CAD, PAD, or other atherosclerotic disease; diabetes and other cardiovascular risk factors; smoking, hypertension, hypercholesterolaemia, and sedentary…

…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…

…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…

…and Clinical Context Blood pressure management in older adults must account for chronological age, biological age, frailty, multimorbidity, cognitive status, functional capacity, orthostatic symptoms, and…

…clinical likelihood of obstructive CAD, symptoms, findings from non invasive testing and the anticipated effect of the result on management. ICA with available coronary pressure…

…adults, approximately 40% are asymptomatic, 50% report atypical leg symptoms and fewer than 10% have classic claudication. Asymptomatic or atypical PAD remains clinically important. Reduced…

…must be equipped with defibrillators and other emergency instruments. Personnel conducting the test must be formally trained to assess cardiovascular response, symptoms, and ECG changes…

…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…

…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…

…in approximately 0.5–12% of angiographic series and up to 5–75% of CT series; other angiographic descriptions report rates of approximately 5–10…

…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…

…before resistant hypertension can be defined. The central physiological contributors include excess salt intake and salt and water retention, particularly when kidney function is impaired…

…newly discovered complete heart block without current symptoms, alternating bundle branch block in acute anterior infarction, and before drugs or procedures with a known risk…

…stroke call. 2. Establish the time of symptom onset or the time last known to be well. 3. Assess airway, breathing and circulation. 4. Measure…

…route of administration and criteria for intermediate care or intensive care. Time course after the last intake The times given are approximate. Symptoms can begin…

…detailed description of the presenting symptoms of NSTEMI. It does identify several clinical manifestations that indicate particularly high risk and should influence the urgency of…

…spectrum of left ventricular ejection fraction AF and other arrhythmias Ischaemic stroke PAD CKD with associated cardiovascular complications Symptoms are determined by the cardiovascular manifestation…

…health care provider. A family history of any of the above listed symptoms and manifestations must always raise suspicion of serious hereditary arrhythmias. Although clinicians…

…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…

…symptoms Heterozygous familial hypercholesterolaemia Many individuals with HeFH are asymptomatic until ASCVD develops. The clinical phenotype is driven principally by lifelong LDL C elevation and…

…acute outpatient symptoms. Natriuretic peptides supplement, rather than replace, clinical assessment. The result should be integrated with the history, examination, ECG, echocardiography, and other relevant…

…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…

…morbidity or mortality attributable to these events. Clinical presentation and symptoms Most patients with stent thrombosis present with ACS. Clinical manifestations therefore commonly include recurrent…

…context of acutely decompensated heart failure, shortness of breath is the cardinal symptom and may act as an ischaemic equivalent, though caution is advised in…

…and reproducibility of symptoms. Associated syncope or palpitations, which may indicate bradyarrhythmia or ventricular tachyarrhythmia. Smoking exposure. Symptoms or diagnoses suggestive of migraine or Rayn

…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…

…infarction, intoxication, Wernicke's encephalopathy, other central disease Neurological examination, gait and truncal stability, often MRI Episodic triggered vestibular syndrome Brief attacks, usually lasting seconds…

…risk of developing symptoms. The most common non reversible causes of sinus bradycardia are sinus node dysfunction, side effects of medications and acute myocardial infarction…

…In STE ACS, on the other hand, the ST segment depressions are secondary findings and the primary findings are the ST segment elevations. As explained…

…the most frequent symptom and may occur even in the absence of pulmonary congestion. Patients may obtain relief by sitting forward. Other symptoms depend on…

…may be accompanied by rhabdomyolysis, with potential renal failure and increased mortality. Clinical presentation and symptoms Symptoms commonly develop rapidly, often within an hour of…

…which is why expeditious management is warranted. Initial management includes assessing the patient's clinical status (symptoms, hemodynamics), ECG and risk factors (age, previous disease…

…establish: The nature and stability of symptoms Exercise capacity The presence of active chest pain or other evidence of ongoing ischaemia Symptoms suggesting haemodynamic compromise…