…that the aortic valve leaks during diastole, such that blood regurgitates back from the aorta into the left ventricle. This results in volume overload in…

Echocardiography The Doppler effect When sound waves hit objects some of the sound waves are reflected back to the sound source. If the reflector (i…

…heaviness, burning, or discomfort in the chest and may extend to the arms, shoulders, neck, jaw, upper back, abdomen, or epigastrium. Dyspnoea, nausea, vomiting, diaphoresis…

…arms, neck, jaw, upper back, and abdomen, as well as dyspnea and nausea (anginal equivalents) [7]. Clinicians must consider both cardiac and non cardiac etiologies…

…a byproduct of aerobic metabolism, is transported from the tissues back to the lungs where it is exhaled. The final partial pressure of carbon dioxide…

…palpitations, back pain and selected cases of upper abdominal pain. An ECG recording costs approximately $10 (10€) and may reduce morbidity and mortality substantially in…

…considered a normal finding. The regurgitation results in blood flowing back from the pulmonary artery into the right ventricle during diastole. The most common cause…

…These sound waves travel through tissues and fluids. Some of the sound waves are reflected back to the transducer. By analyzing the reflected sound waves…

…study myocardial motion. Myocardial motion during systole and diastole alter the frequency of ultrasound waves that are reflected back to the transducer. There are two…

…measurement technique is the most common cause of misclassification. Five minutes' seated rest, back and arm supported, legs uncrossed, no conversation Cuff width ≥ 40% of…

…fibreoptic intubation. A difficult airway is anticipated in a stable patient — awake fibreoptic intubation or anaesthetic back up is then the right course, not RSI…

…or the inferobasal wall. Transmural ischemia located in this area yields an injury current (ST vector) directed towards the back, where there is no exploring…

…Reverberation artifact. Reverberations can also occur if sound waves returning to the transducer are reflected back to the tissue. Reverberations are common when examining lung…

…For example, aortic regurgitation causes the flow of blood from the aorta back into the left ventricle during diastole. The flow of blood into the…

…de and repolarization ions (Na + [sodium], K + [potassium] and Ca 2+ [calcium]) flow back and forth across the cell membrane. Because ions are electrically charged…

…The operator should have an elbow rest, and also avoid bending the back during the examination. Work related musculoskeletal disorders are a common cause of…

…the departures of the larger vessels, the visceral layer is folded back to cover the inside of the parietal layer. Between the visceral and parietal…

…3. Pad evenly , 2–3 layers with about 50 per cent overlap, and add extra padding over bony prominences, at the ends of the cast…

…pressure in both arms at the first assessment, particularly in chest pain, back pain or suspected acute aortic syndrome. 5. Use the correct cuff size…

…with the back towards you, the knees drawn up, the chin on the chest, and the shoulders and hips stacked vertically. The back must be…

…moved very slowly outwards in the horizontal plane , with pauses each time the patient tenses, until the joint slides back — usually at 70–110 deg

…many laboratories and spirometers still use it as a benchmark. 6. A maximal inspiration back to TLC to close the flow volume loop — the in

…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…

…in the abdomen, chest, lower back or scrotum. Aneurysmal pain is clinically important because it may herald rupture and constitutes a medical emergency. Rupture may…

…abdominal aortic aneurysm. Clinical Presentation and Symptoms Acute chest and/or back pain is the predominant symptom of both IMH and PAU. PAU pain may…

…discomfort. Pain radiating to the neck, jaw, shoulders, back, or one or both arms. Indigestion or heartburn, particularly when associated with nausea or vomiting. Persistent…

…patient should remain seated comfortably in a quiet environment for 5 minutes. The back and arm should be supported, with the cuff at heart level…

…exertion. Discomfort in the arm, jaw, neck, or upper back. Chest discomfort triggered by emotional stress. Palpitations associated with physical activity, a large meal, emotional…

…diagnosis is delayed. The typical presentation is sudden onset, severe chest, back or abdominal pain. Pain may be described as ripping, tearing, sharp or stabbing…

…sleep disordered breathing Hypoventilation Peripheral oedema or venous disease Reduced mobility Osteoarthritis and low back pain Symptoms of type 2 diabetes or metabolic syndrome Depression…

…usually involves the central chest or epigastrium, may radiate to the arms, and less often to the abdomen, back, lower jaw, neck, or occipital region…

…of the chest or the epigastrium and occasionally radiates to the arms. Less common sites of radiation include the abdomen, back, lower jaw, and neck…

…chest or epigastrium. Radiation may occur to one or both arms and less commonly to the abdomen, back, neck or lower jaw. Discomfort may extend…

…the precordium and may radiate to the neck, shoulder, jaw, back, upper abdomen, and left or right arm. Onset and evolution How do symptoms start…

…has repolarized before the impulse has left the atrioventricular node, it may circulate back (upwards) through the previously refractory pathway, as shown in Figure 1 …

…to another (in the same lead). This is due to the swinging back and forth of the heart in the pericardial space. Note that tachycardia…

…increases the venous return to the heart. Contracting muscles function as a pump that propels blood back to the heart. The respiratory depth (volume) increases…

…is directed to the left, back and upwards; this results in a deep S wave in inferior leads and large R wave in left lateral…

…the right medioclavicular line between rib 5 and 6. V3R: placed diagonally between V2R and V4R. V7: placed on the back, directly inferior to scapula.

…as in STEMI, radiate to the neck, shoulders or back. However, acute pericarditis is more likely if inspiration and supine position worsens the chest pain…

…time required for sound waves to travel back and forth, which results in lower pulse repetition frequency (fewer ultrasound pulses can be sent per second)…

…or the inferobasal wall. Transmural ischemia located in this area yields an injury current (ST vector) directed towards the back, where there is no exploring…

…because the vibrations in the piezoelectric crystals, and thus the electric current they send back to the machine, vary with the amplitude of the reflected…

…interpretation more difficult and time consuming, because the reader must go back and forth between the leads on the paper. It would be more efficient…

…the volume leaking back into the left ventricle in aortic regurgitation can be calculated using the following formula: RV aorta = SV aorta – SV mitralis…

…common cause. Ebstein's anomaly The prevalence of Ebstein's anomaly is approximately 1 case per 200.000 live births (Atthenhofer et al) . Figure 1…

…procedure or angiographic intervention. Summon anaesthesia, the operating specialty, the blood bank and, where needed, coagulation expertise at the same time [1]. Activate the local…

…is a clinical diagnosis supported by echocardiography: Finding Comment : : Hypotension, distended neck veins, muffled heart sounds Beck's triad; complete in a minority Tachycardia, tachypnoea…

…by means of dialysis. Substance Antidot e Paracetamol (Acetaminophen) N Acetylcysteine Anticholinergics Physostigmine Anticoagulants (apixaban) Andexanet alpha Benzodiazepines Flumazenil The Black Widow, Spider Bett Lactrodectus…

…80 years. This was expressed in 1961 by Beck et al in the Journal of American Medical Association (JAMA): [...] Of every 10 such victims, the…

…tissues, and an apron for the patient — charcoal stains everything black. For administration by tube: a gastric tube and a 50–60 mL catheter syringe…

…A sterile oesophageal electrode, usually with colour coded connectors (red and black) and a stiffening stylet. A Rostock filter or an equivalent amplifier unit between…

…mechanisms. Beck’s Triad The classical clinical triad consists of: Hypotension Jugular venous distension Muffled or absent heart sounds The triad suggests severe tamponade, but…

…4. Which of the following describes a 'Black athlete repolarization variant' considered a normal ECG finding? A: T wave inversion in leads V1 V3 in…

…also have comorbid features associated with a greater cardiovascular risk among those with resistant hypertension, including older age, Black ethnicity, elevated body mass index, diabetes…

…material. Delayed help seeking is associated with older age, female sex, Black race, lower socioeconomic or uninsured status, a history of angina or diabetes, and…

…vision, burning sensation. Relevant reading https://ecgwaves.com/topic/diagnosis management tachycardia tachyarrhythmia wide narrow/ References Drug Bank Zipes et al: Arrhythmology, Elsevier (2019). Wellington…

…which is discussed below. The pressure volume loop in Figure 1 can be moved along the black lines called EDPVR and ESPVR. EDPVR (End Diastolic…