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folic acid deficiency vitamin b12 deficiency cyanosis hypertension blood components splenomegaly ecg steps st segment in ecg iron deficiency anemia blood products pedal edema palpitations hypercalcemia hypocalcemia azotemia polyuria peripheral smear hemoptysis dyspnea cough chronic cough clubbing jugular venous pressure jugular venous pulse neurological weakness hemiparesis monparesis quadriparesis paraparesis seizure sickle cell att thyroid thrombocytopenia proteinuria tuberculosis thalassemia iron deficiency acute iron poisoning scorpion sting hemostasis thrombosis bleeding disorder fever and hyperthermia chest pain 辫耻貌 weight loss ascites abdominal swelling jaundice gi bleeding ugi bleeding lgi bleeding obscure gi bleeding chest xrays chest xray tubes xray systematic approach how to read chest xrays pneumothorax xrays lung cancer chest xray anatomical variant devices and artifacts chestxray mediastinum & hilum chest xray pulmonary disease chest xray cardiac disease mitral stenosis liver function tests acute diarrhea chronic diarrhea anemia in pregnancy ecg interpretation spleen anatomy spleen functions spleen examination anemia in pregnancy kidney function tests edema vitb12 deficiency macrocytic anemia transfusion reactions epilpesy epilepsy in pregnancy hypothyroidism in pregnancy hyperthyroidism in pregnancy ecg basics tachycardia in ecg bradycardia in ecg sinus dysrhythmias atrial dysrhythmias junctional dysrhythmias ventricular dysrhythmias avnrt avrt axis in ecg p wave and its abnormalities pr interval in ecg q wave in ecg qr interval in ecg t wave in ecg qt interval u wave in ecg heart blocks in ecg delta wave in ecg epsilon wave osborn wave in ecg j point in ecg