Fototapeta When the amplitude of QRS wave is less than 5 mm in all limb leads and less than <10mm in all chest leads, it is diagnosed as low QRS voltage.
-s-Fototapety When the amplitude of QRS wave is less than 5 mm in all limb leads and less than <10mm in all chest leads, it is diagnosed as low QRS voltage.
#F1530344199
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-s-Fototapety The common ECG changes in COPD patients include right axis deviation, low voltage, right atrial abnormality and clockwise rotation.
#F1530615028
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-s-Fototapety On a conventional 12 lead electrocardiogram, the QRS wave of complete right bundle branch block in lead V1 is usually an rSR three-phase waveform.#F1085281031
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-s-Fototapety Sometimes, the beginning of sinus P wave in some ECG leads is located on the isoelectric line. If only the visualization part is measured, it will produce a pseudo short PR interval.#F861469620
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-s-Fototapety Male, 10 years old, was clinically diagnosed with tetralogy of Fallot. ECG shows an elevated P wave amplitude in thoracic leads, suggesting right atrial abnormality.
#F779563312
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-s-Fototapety Early repolarization is mostly a benign ECG change, and ST segment elevation caused by it can sometimes coexist with myocardial infarction.#F549986989
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-s-Fototapety Acute left main artery occlusion can cause both ST segment elevation and non ST segment elevation myocardial infarction, regardless of which type, the risk of death is high.#F532667432
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-s-Fototapety When a clockwise rotation of the basic ECG, the corresponding accuracy of the lead with the largest ST segment depression and the cardiac anatomy decreases during the attack of angina pectoris.#F536946364
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-s-Fototapety In frontal lead system, when the average ventricular excitation potential is in the range of +60 degrees to+90 degrees, the QRS main wave of aVL lead is negative.
#F1149766879
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-s-Fototapety When ectopic impulses from the anterior wall of the right atrium produce a completely negative P wave in lead V1, the posterior wall ectopic impulse produces a positive and negative biphasic P wave.
#F802871524
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-s-Fototapety An 11 year old boy had sudden chest pain after playing football, extensive ST segment depression on ECG, and coronary angiography confirmed that the LM trunk originated from the right coronary sinus. #F528173757
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-s-Fototapety In a 12 lead ECG, the polarity of the QRS main wave in leads I and III can be used to roughly determine whether the normal QRS axis, left axis deviation, right axis deviation and right superior axis.
#F1547224634
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-s-Fototapety In case of simple posterior myocardial infarction, the amplitude of R wave in lead V2~V3 is increased, and the T wave is tall, which is easy to be misdiagnosed as acute anterior myocardial infarction.#F552008779
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-s-Fototapety The ST segment depression is less than 1mm, and the T wave amplitude is less than 1mm.Non-specific ST-T changing can be seen in healthy individuals as well as in patients with heart disease, but there#F1008137034
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-s-Fototapety Female, 52 years old, with a history of hypertension for 10 years. Chest pain occurred repeatedly 3 months ago, and ECG confirmed variant angina pectoris.#F515343362
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-s-Fototapety The ECG characteristic change of early repolarization is J point and ST segment elevation, which is easy to be misdiagnosed as acute myocardial infarction, especially when the patient has symptoms.#F556665026
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-s-Fototapety In high degree AV block, more than 2 consecutive P waves fail to descend to the ventricles, including the AV node or subnodal block. Patients are prone to fainting.
#F1580430031
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-s-Fototapety de Winter T wave is an ECG sign of severe stenosis in the proximal segment of the left anterior descending artery, with J point depression, ST-segment oblique depression and T wave towering.
#F1624019396
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-s-Fototapety Left ventricular hypertrophy is seen in diseases such as hypertension. Histopathological changes include myocardial hypertrophy, disordered arrangement and fibrous hyperplasia.Magnify 100x.
#F1611476733
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-s-Fototapety Left ventricular hypertrophy is seen in diseases such as hypertension. Histopathological changes include myocardial hypertrophy, disordered arrangement and fibrous hyperplasia.Magnify 100x.
#F1609543019
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-s-Fototapety Giardia is a parasitic disease caused by Giardia duodenalis. Patients have diarrhea, abdominal pain and weight loss.Magnify 1000x.
#F1554851906
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-s-Fototapety In frontal lead system, leads Ⅱ, Ⅲ and aVF belong to anatomically contiguous lead and are combined into inferior lead group to explore diaphragmatic myocardium.
#F1532268262
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-s-Fototapety When 2:1 atrioventricular conduction occurs, it can't be diagnosed as second degree type I or type II atrioventricular block unless there are two consecutive PR intervals.
#F1559825609
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-s-Fototapety Aphids are a group of herbivorous insects with 4,400 species found and about 250 species are serious pests in agroforestry and horticulture.Magnify 100x
#F1588580848
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-s-Fototapety Aphids are a group of herbivorous insects with 4,400 species found and about 250 species are serious pests in agroforestry and horticulture.Magnify 40x
#F1588263680
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-s-Fototapety When premature atrial contractions occur too early, conduction disruption occurs due to the refractory period of the downstream conduction system, which is called unconductive PACs.
#F1579890377
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-s-Fototapety Left ventricular hypertrophy is seen in diseases such as hypertension. Histopathological changes include myocardial hypertrophy, disordered arrangement and fibrous hyperplasia.Magnify 100x.
#F1611458018
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-s-Fototapety Pathological photos of smokers' lungs show that the black substance is deposited carbon powder, which can easily cause interstitial lung disease and COPD. Magnify 1000x.
#F1492349457
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-s-Fototapety Aphids are a group of herbivorous insects with 4,400 species found and about 250 species are serious pests in agroforestry and horticulture.Magnify 100x
#F1588541935
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-s-Fototapety Aphids are a group of herbivorous insects with 4,400 species found and about 250 species are serious pests in agroforestry and horticulture.Magnify 40x
#F1588155035
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-s-Fototapety Left ventricular hypertrophy is seen in diseases such as hypertension. Histopathological changes include myocardial hypertrophy, disordered arrangement and fibrous hyperplasia.Magnify 100x.
#F1611533144
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-s-Fototapety The 4-phase membrane potential of sinoatrial node pacing exhibits spontaneous depolarization, while the 4-phase membrane potential of ventricular myocytes remains stable.#F1066424368
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