…surgeon. Myocardial rupture after myocardial infarction, and traumatic haemopericardium — these require surgery; pericardiocentesis is at best a bridge to it. A small (under 10 mm)…

…This is because it does not ensure complete drainage of the pericardium, and needles or catheters are at risk of bending or damage during chest…

…with multivessel coronary artery disease (MVD), revascularization may be directed exclusively at the infarct related artery (IRA), or it may extend to additional non infarct…

Echocardiography The standard transthoracic echocardiographic examination This chapter presents a sequential series of images that comprise a complete standard echocardiographic examination. The image views are…

…Sweden, is the force behind the comprehensive online course at ecgwaves.com. This website provides a comprehensive learning ecosystem. It includes a complete ECG book…

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…

…Importantly, for the ventricles to have any electrical (and thus pumping) activity at all, an escape rhythm must arise in an ectopic focus (located distal…

Cardiology Clinical medicine Definition and cardiovascular rationale Smoking cessation is the complete discontinuation of tobacco smoking, with avoidance of second hand smoke and, where possible…

…Definition and pathophysiology A chronic total occlusion (CTO) is a complete or nearly complete coronary arterial obstruction that has persisted for at least 30 days…

…Study Figure 7 carefully, as it illustrates how the P wave and QRS complex are generated by the electrical vectors. Note that the first vector…

…the plasma glucose, a blood gas and an ECG all come before complete identification of the substance. Treatment of acute poisoning consists of four parallel…

…Sepsis is a dynamic condition. Investigation and treatment must therefore proceed in parallel and must not wait for complete diagnostic certainty. Sepsis is defined as…

…necessary ECG skills required for clinical work. You must complete the ECG course in order to obtain your certificate. New ECG test will be added…

…Such a thrombus can cause occlusion of the artery. The occlusion may be complete or partial, depending on the size of the thrombus and the…

…interventions. As discussed previously, STEMI is the result of a complete and proximal occlusion in a coronary artery, which results in transmural myocardial ischemia. The…

…is the first line treatment and must be given early when anaphylaxis is suspected. Do not wait for a complete diagnosis or for grading. Antihistamines…

…any decision to limit treatment when time allows. There is complete upper airway obstruction where laryngoscopy will not succeed; plan for a surgical airway or…

…1. Assess airway, breathing and circulation. 2. Assess the neurological symptoms and at the same time exclude other acute causes, for example hypoglycaemia, poisoning, stroke…

…mean nothing. Capture is verified only when every pacing spike is followed by a wide QRS complex and a pulse that can be felt. The…

…The complete physiological formulation considers coronary venous pressure: Distal coronary driving pressure: distal coronary pressure minus coronary venous pressure Normal coronary driving pressure: mean aortic…

…recovery patterns within the left ventricle, resulting in a widened QRS complex and secondary ST T wave abnormalities [7]. Diagnostic Criteria The diagnostic requirements for…

…reducing the dose or stopping therapy. It is divided clinically into: Complete intolerance: inability to tolerate any dose of any statin. Partial intolerance: inability to…

…Deasy et al ). A complete airway obstruction results in PEA and cardiac arrest within 8 minutes. Cardiac arrest as a result of asphyxia or hypoxia…

…venous and arterial pressures are substantially reduced, potentially leading to complete obstruction of venous return by the uterus. This can be remedied by manual displacement…

…instability. Fewer than 1% of patients with ST elevation myocardial infarction (STEMI) who reach the catheterization laboratory are found to have complete LMCA occlusion, likely…

…due to the low concentration of gap junctions in AV nodal cells), which allows for ventricular filling to complete prior to ventricular contraction. In contrast…

…ischemia present in STEMI. In STEMI, a complete coronary artery occlusion leads to transmural ischemia, affecting a larger portion of the myocardium, thereby intensifying chest…

…indicate that the infarction process is more or less completed. Post ischemic T wave inversions emerge at the earliest 4–6 hours after an episode…

…speech, work of breathing, level of consciousness and PEF improve at the same time. Acute severe asthma is characterised by bronchospasm, mucosal oedema and mucus…

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

…tissue thaw completely between cycles — it is the freeze–thaw–freeze cycle that causes cell death, not the cold alone. The temperature at the outer…

…Working suction, oxygen and complete equipment for intubation and ventilation must be to hand before the lavage begins. The head of the trolley must be…

…or as a substitute for mobilisation and bladder training. Contraindications Type Condition : : Absolute Suspected urethral injury — blood at the meatus, a perineal or scrotal haematoma…

…0–3.0 Overlap with low molecular weight heparin (LMWH) for at least 5 days Mechanical aortic valve 2.5–3.5 Some centres use…

…initiate or intensify preventive therapy is uncertain. Prevention guidelines support its use in selected individuals at intermediate risk, rather than as a universal population screening…

…myocardium, left main disease carries a substantial prognostic significance. The myocardial territory at risk has been described as approximately 75–100%, depending on coronary dominance…

…stenoses. Higher scores indicate more diffuse or technically complex disease and are associated with a greater relative advantage for CABG over PCI in multivessel disease…

…a dissecting haematoma may precede rupture. The tear commonly develops at the interface between infarcted and viable myocardium. The incidence has fallen substantially with contemporary…

…for depolarization and repolarization. It is measured from the beginning of the QRS complex to the end of the T wave. Prolonged QT duration predisposes…

…thorough questioning of eyewitnesses, and a complete physical and neurologic examination. Blood pressure and heart rate should be measured in the supine position and after…

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

…occluding smaller vessels downstream). The thrombosis causes occlusion of the artery; blood flow may be partially or completely obstructed. Consequently, the myocardium supplied by the…

…the T wave in lead aVL will be inverted and in some cases lead I will display a monophasic R wave instead of qR complex…

…seconds. Importantly, all P waves are followed by QRS complexes. First degree AV block is rarely of clinical significance and typically does not require intervention…

…other methylxanthines, which antagonize adenosine receptors, should be avoided for at least 12 hours before testing. Dobutamine : Contraindicated in patients with severe hypertension, unstable angina…

…node does not exhibit automaticity, meaning that it does not discharge spontaneous action potentials, at least not under normal circumstances. However, impulses are occasionally discharged…

…which at the time was primarily fibrinolysis (Wilner et al.). Their findings revealed that a substantial number of these patients had complete coronary artery occlusions…

…and right bundle branch block (C). One large box equals 100 ms at paperspeed 25 mm/s. Figure 2 shows 12 lead ECGs demonstrating right…

…in patients with STEMI, those with NSTEMI and unstable angina are at considerable risk of developing life threatening ventricular arrhythmias (ventricular tachycardia, ventricular fibrillation) and…

…cardiac death and ventricular arrhythmias. Figure 2. Fragmented QRS complex. These QRS configurations are also indicate of previous myocardial infarction. New conduction defect Myocardial infarction…

…Echocardiogram: Complete Imaging Protocol). Nevertheless, there are obvious benefits of performing emergency bedside examinations, regardless of image quality. The ultrasound transducer is held at the…

…the ventricles it will spread partly or entirely outside of the conduction system and thus produce a wide QRS complex (QRS duration ≥0.12 s)…

…atrial impulses to conduct to the ventricles, resulting in some P waves not being followed by QRS complexes. This condition is further categorized into two…

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

…large amounts of ATP (Page et al). The mitochondrial density allows for complete replenishment of ATP within 10 seconds (Fell et al, Houtkooper et al)…

…called parasternal long axis view (PLAX). Structures that are closest to the transducer are placed at the top of the image. RV = right ventricle…

…rhythm) is a rhythm with rate at 60–100 beats per minute. As in ventricular rhythm the QRS complex is wide with discordant ST T…

…10 minutes. A maximum of two infusions can be given. Each infusion should be completed, even if the patient reverts to sinus rhythm. Th e…

…give atropine. 8. Monitor for at least 30 minutes after the test has been completed. Alternatives when edrophonium is not available Method Performance Comment : : : Neosti

…Moisture completes a circuit across the mucosa, hydroxide ions are generated at the negative pole of the battery and produce a liquefactive necrosis that can…