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Study of ECG changes in anaemia and correlation with respect to severity of anaemia

机译：贫血症的ECG变化研究及贫血严重程度的相关性

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Introduction: Anemia has a universal incidence and is very common in tropical countries. The most common cause of anemia is iron deficiency associated with hypochromic microcytic anemia. Chronic Anemia is associated with increased cardiac output when Hb is 7g/dl. When Hb falls further (2-3gms/100ml) there will be circulatory congestion and angina pectoris may occur thus emphasizing the sensitivity of the myocardium to chronic hypoxia leading to various changes in the electrocardiographic recording.Materials and methods: 100 patients  comprising of  both outpatient  and inpatients  attending JJMMC and its attached hospital from July 2017 to May 2018 were selected based on inclusion criteria which includes cases of anemia i.e. Hb 8 gm% and those aged 40% because to reduce changes of taking up coronary artery disease patients (both males and females).Results: Out of 100 cases of severe anemia 52 cases showed ECG changes. 23 patients were having Hb 6 gm % with 78% of whom had ECG Changes. Sinus tachycardia was the most common ECG change observed accounting to 41% and sinus bradycardia and biventricular hypertrophy were the least observed ECG finding among study population (1% each). In present study cases, only 13 patients had reversal of ECG changes after correction.Conclusion: I) Severe anemia produces ECG changes, which mainly involve the rate, ST segment and T wave changes. II) The incidence of ECG changes seemed to be closely related to severity of anemia.
机译：介绍：贫血具有普遍发病率，在热带国家非常常见。贫血最常见的原因是与低色微细胞贫血有关的缺铁。当Hb <7g / dl时，慢性贫血与心输出增加有关。当HB进一步下降（2-3Gms / 100ml）时，会出现循环的充血，因此可能会发生心绞痛，从而强调心肌的敏感性导致心电图记录的各种变化。材料和方法：100名患者包括门诊基于纳入标准选择了JJMMC及其附属于2017年5月至2018年5月的住院患者，其中包括贫血病例，即HB <8克％和年龄<40％，因为减少患有冠状动脉疾病患者的变化（两者男性和女性）。结果：超过100例严重贫血52例患者显示ECG变化。 23例患者HB <6克患者％，其中78％有ECG变化。窦性心动过西亚是最常见的ECG变革，观察到占41％，窦性计准肥大和五年级肥厚是研究人群中最不观察到的ECG（每项1％）。在目前的研究案例中，只有13名患者在校正后只有逆转ECG变化。结论：i）严重贫血产生ECG变化，主要涉及速率，ST段和T波的变化。 ii）ECG变化的发病似乎与贫血的严重程度密切相关。

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