…and ischaemia related ventricular failure as potential causes of shock. Patients with moderate to severe chronic kidney disease have a higher burden of comorbidity and…

…echocardiographic examinations. For example, left ventricular size, measured as its inner diameter, is strongly related to heart failure, ventricular tachyarrhythmias, and overall mortality. Ventricular dimensions…

…includes a complete ECG book, enriched with over 600 pages, engaging video lectures, challenging tests, and versatile study tools. From basic cardiac physiology to the…

Info The ECG shows AV block III (complete heart block). P waves are not related to QRS. PP interval is constant, but independent of RR…

…before the QRS complexes. This scenario, which is referred to as isoarrhythmic AV block , may even simulatesinus rhythm. Third degree AV block causes cardiac arrest…

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

…Demonstration of both significant myocardial ischaemia and viability in the territory supplied by the occluded artery is generally accepted as a useful way to bal

…the QRS complex is easy but frequently misunderstood. The following rules apply when naming the waves: A deflection is only referred to as a wave…

…of poisons. Stabilisation according to ABCDE, the plasma glucose, a blood gas and an ECG all come before complete identification of the substance. Treatment of…

…for complete diagnostic certainty. Sepsis is defined as life threatening organ dysfunction caused by a dysregulated host response to infection. Clinically this usually corresponds to…

…pleased to share that we have created certificates. These certificates testify that you possess the necessary ECG skills required for clinical work. You must complete…

…ST segment elevations on ECG are classified as STE ACS. Moreover, STE ACS is caused by a complete coronary artery occlusion and virtually all these…

…to recognize these situations since they should be managed clinically as STEMI. The explanation for this is simple: transmural ischemia is due to a complete…

…that can cause life threatening compromise of the airway, breathing or circulation. Skin symptoms may be absent, and circulatory shock does not have to be…

…consistent with the treatment plan — check any decision to limit treatment when time allows. There is complete upper airway obstruction where laryngoscopy will not succeed…

…5. With severe symptoms: give hypertonic saline immediately. Do not wait for a complete work up of the cause or for imaging. 6. Document the…

…a sector probe (the same probe as for echocardiography) and a sterile probe cover. Continuous ECG, blood pressure and saturation monitoring; a defibrillator to hand…

…block with wide QRS complexes; do not delay pacing in order to try yet another dose. Chronotropic support is given as an infusion of isoprenaline…

…physiological index used to estimate the functional significance of an epicardial coronary stenosis. It is defined during maximal pharmacological coronary vasodilation as the ratio of…

…LBBB (as a form of bifascicular block) is linked to extensive myocardial necrosis [4]. Clinical Implications and Prognosis Mechanical and Diagnostic Impact LBBB causes extensive…

…attributed to statin treatment that improve or resolve after reducing the dose or stopping therapy. It is divided clinically into: Complete intolerance: inability to tolerate…

…complete airway obstruction results in PEA and cardiac arrest within 8 minutes. Cardiac arrest as a result of asphyxia or hypoxia is managed according to…

…reduced, potentially leading to complete obstruction of venous return by the uterus. This can be remedied by manual displacement of the uterus to the left…

…catheterization laboratory are found to have complete LMCA occlusion, likely because most such occlusions result in prehospital cardiac arrest and death. As in other acute…

…QRS complexes. Second degree AV block is subdivided into the following variants: Second degree AV block Mobitz type 1 . May also be referred to as…

…Indeed, ventricular tachycardia and ventricular fibrillation cause the vast majority of all deaths in the acute phase of STEMI. Death due to ventricular dysfunction, or…

…immediately as oxygen becomes available. Recall that ST segment elevations also become normalized as a part of the natural course of myocardial infarction (refer to…

…attack : : : : Speech Full sentences Cannot complete a sentence in one breath Single words or unable to speak Position and behaviour Can lie down or sit…

…clock time of symptom onset or the time last known to be well NIHSS A complete score by a physician or nurse experienced in stroke…

…moment the spray starts. Let the tissue thaw completely between cycles — it is the freeze–thaw–freeze cycle that causes cell death, not the cold…

…alkali) — it makes endoscopic assessment more difficult and causes vomiting Medicinal charcoal Petroleum products — vomiting with chemical pneumonitis as a consequence Medicinal charcoal Bowel obstruction…

…only 3–5 cm and almost straight, but the meatus can be hard to find in older women. Two things separate the safe catheterisation from…

…Never switch to a DOAC Antiphospholipid syndrome, venous event 2.0–3.0 DOACs are inferior Antiphospholipid syndrome, arterial event A higher range as specified…

…primarily as an imaging biomarker of coronary atherosclerotic burden rather than as a direct measure of luminal obstruction. Calcified plaque is generally less likely to…

Myocardial ischemia and infarction Definition and Pathophysiology Left main coronary artery disease (LMCAD) refers to atherosclerotic narrowing of the left main coronary artery, which supplies…

…in complex multivessel or left main disease. Clinical presentation and symptoms The clinical presentation of multivessel CAD varies from stable angina or exertional limitation to…

…Progressive heart failure. Cardiogenic shock. Complete transection of a papillary muscle may cause immediately overwhelming MR. Partial rupture, often involving the tip or head of…

…widely, despite several shortcomings. The formula is as follows: Bazett's formula for calculating corrected QT duration (QTc). QT correction according to Bazett , Fridericia , Framingham…

…a complete physical and neurologic examination. Blood pressure and heart rate should be measured in the supine position and after 3 minutes of standing to…

…This is explained by the elevated intrapericardial pressure due to the tamponade. The increased pressure causes compression of the atria and the ventricles (particularly the…

…ensuing atherothrombosis, causes a complete occlusion of the coronary artery. Ischemia will extend from the endocardium to the epicardium in the affected myocardial region, which…

…ECG changes and symptoms. Troponins and other biomarkers of myocardial necrosis (infarction) Myocardium can endure 20 to 30 minutes of complete ischemia. After this period…

Conduction defects ECG Fascicular block (hemiblock): left anterior fascicular block & left posterior fascicular block Fascicular blocks were previously referred to as hemiblocks, but the latter…

…as it does not represent a true conduction block but rather a delay in the propagation of electrical impulses from the atria to the ventricles…

…advanced or complete heart block Hypertrophic obstructive cardiomyopathy with severe resting gradient Recent stroke or transient ischemic attack Mental impairment with limited ability to cooperate…

…and the ventricles, which is why ectopic beats and ectopic rhythms originating there are referred to as junctional beats and junctional rhythms. The atria will…

…than those caused by ischemia. As a result, the ischemic changes are obscured and do not become apparent. However, there are exceptions to this rule…

…Leads V5 V6: Broad, completely positive and often notched R wave. Leads I and aVL: Similar to V5 and V6. ST T changes : Left sided…

…results in the complete stop of blood flow and thus more extensive myocardial ischemia (referred to as transmural ischemia). Yet, the pain caused by NSTEMI…

…gradual increase from V1 to V5 is absent. It may be broken, as in Figure 1 . Any type of infarction may cause pathological R wave…

…be difficult to acquire images in the left lateral decubitus position. This affects images obtained in apical windows (refer to Standard Transthoracic Echocardiogram: Complete Imaging…

…ventricular contractions it is referred to as sustained ventricular tachycardia if the rate is 100 beats/min. Premature ventricular complexes discharged by the same ectopic…

…as a gradual prolongation of the PR interval with each successive beat until a P wave fails to conduct, resulting in a dropped QRS complex…

…ensuing atherothrombosis, causes a complete occlusion of the coronary artery. Ischemia will extend from the endocardium to the epicardium in the affected myocardial region, which…

…allows for complete replenishment of ATP within 10 seconds (Fell et al, Houtkooper et al). The majority of ATP produced is utilized to fuel the…

…ms). Increasing the number of ultrasound lines or image depth will reduce the frame rate since more time is required to complete each frame. Thus…

…per minute. As in ventricular rhythm the QRS complex is wide with discordant ST T segment and the rhythm is regular (in most cases). Idioventricular…

…Use of intravenous rhythm control antiarrhythmics (class I and class III) within 4 hours prior to, as well as in the first 4 hours after…

…75 %; single fibre EMG about 95 %). Contraindications Known hypersensitivity to edrophonium. Mechanical obstruction of the bowel or the urinary tract. Marked bradycardia, sick sinus syndrome…

…fluid causes a chemical burn Two or more magnets (including in different nostrils) Immediately — pressure necrosis across the septum A live insect As soon as…