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A Normocytic normochromic anemia is one of the most common types of anemia found in geriatric patients with chronic diseases or acute bleeding. Upper gastrointestinal bleeding (UGIB) may cause continuous blood loss resulting in decreased hemoglobin levels. This case report discusses a 72-year-old woman who presented to the Emergency Department of Cut Meutia Regional General Hospital with complaints of black stools for four days prior to admission accompanied by epigastric pain, nausea, weakness, and pallor. The patient had a history of long-term use of analgesic and anti-gout medications due to chronic joint pain, which was suspected to be a risk factor for UGIB. Physical examination revealed pale conjunctiva and tachycardia, while laboratory findings showed hemoglobin of 7.1 g/dL, hematocrit of 23.3%, MCV of 82 fL, MCH of 29 pg, and uric acid level of 11.56 mg/dL, leading to the diagnosis of normocytic normochromic anemia caused by UGIB accompanied by gout arthritis. The patient received intravenous fluid therapy, proton pump inhibitors, antifibrinolytic agents, gastroprotective therapy, packed red cell transfusion, and other supportive treatments. During hospitalization, clinical improvement was observed, including cessation of gastrointestinal bleeding, reduced epigastric pain, and increased hemoglobin level to 8.6 g/dL. This case highlights the importance of early diagnosis and comprehensive management in geriatric patients with anemia caused by UGIB and comorbid gout arthritis.

Introduction: Dengue fever is a viral infection transmitted through the bite of infected female Aedes aegypti mosquito, caused by four dengue virus serotypes (DEN-1 to DEN-4), with clinical manifestations ranging from asymptomatic to severe disease and may be accompanied by warning sign. Concurrent infections, such as acute diarrhea, may worsen outcomes, particularly in children. Case Report: A nine-month-old female presented with a five-day history of intermittent fever and watery diarrhea. Additional symptoms included vomiting, lethargy, and decreased appetite. Physical examination showed a moderately ill appearance and sunken eyes. Laboratory findings revealed positive dengue IgM, negative dengue IgG, thrombocytopenia (22,000/µL), and hematocrit of 37%. The patient was diagnosed with dengue fever with warning sign and acute diarrhea. Management included intravenous crystalloid fluids, antipyretics, antibiotics, H2 receptor antagonists, and zinc supplementation. Conclusion: Dengue with warning sign and concurrent acute diarrhea in children increases the risk of morbidity and mortality. Early and appropriate management is essential to prevent disease progression and improve clinical outcomes.

This study aims to analyze hematocrit values ​​using a micro method with capillary blood samples in pregnant women with anemia at the Sidodadi Kisaran Barat Community Health Center. This study is a descriptive study with a cross-sectional approach involving 15 pregnant women as respondents. Data collection was carried out through hematocrit laboratory examinations and data collection of respondent characteristics. The results showed that 60% of respondents had hematocrit levels below normal values, while 40% of respondents had hematocrit levels within normal limits. Low hematocrit levels in pregnant women are influenced by several factors, including age, education level, employment status, and level of knowledge about anemia during pregnancy. This condition has the potential to increase the risk of pregnancy complications if not optimally managed. Therefore, it is recommended that health workers continue to increase educational efforts regarding anemia prevention, the importance of regular pregnancy check-ups, and encourage pregnant women to maintain a balanced nutritional consumption pattern and adequate iron intake to support maternal and fetal health.

Hemoglobin and hematocrit examinations serve as important early indicators of hematological status, reflecting the blood’s capacity to transport oxygen. A decrease in these two parameters leads to anemia, which is often undetected due to minimal early symptoms and low awareness to undergo examinations. This activity was carried out using the Plan-Do-Check-Act (PDCA) approach, by examining hemoglobin and hematocrit levels in adult participants. Capillary blood samples were analyzed using a portable device at the examination location. Education was delivered through leaflets regarding the importance of iron, vitamin B12, and folate intake to support erythrocyte formation. The examination was attended by 104 participants, the majority of whom were women. The average hemoglobin was recorded as approaching the lower limit of normal values, while hematocrit levels showed wide variations. More than half of the participants were classified as having anemia. This high proportion of anemia highlights the urgent need for targeted nutritional education. Hemoglobin and hematocrit screening proves effective as an early detection tool for hematological disorders. Education that is linked to laboratory findings should be prioritized to promote improved dietary patterns, particularly the consumption of iron-rich foods, vitamin B12, and folate, in order to prevent erythropoietic dysfunction and long-term health complications.

Anemia is a medical condition characterized by a decrease in the number of red blood cells (erythrocytes) or hemoglobin (Hb) levels in the blood which results in impaired oxygen transport to body tissues. Mild anemia is more common and is asymptomatic and does not require treatment. Anemia can have a negative impact on endurance, productivity, and is high risk during pregnancy because it can affect fetal growth and development, increase the risk of pregnancy and childbirth complications, and even maternal and child death. The Community Service (PKM) activity carried out at the Asisi Church, Tebet District aims to increase public awareness of the importance of early detection of anemia through hemoglobin and hematocrit screening activities. This activity uses the Plan-Do-Check-Act (PDCA) approach which includes capillary blood tests with Point-of-Care Testing (POCT) tools and education about symptoms, risk factors, and prevention of anemia. Of the 68 participants involved, 40 people (58.82%) were identified as having anemia, while 28 people (41.18%) had normal hemoglobin levels. These results emphasize the importance of early anemia screening to prevent long-term complications and build public awareness of the importance of maintaining optimal hemoglobin levels to support ongoing health and quality of life.   Keywords: Anemia, Early Detection, Hemoglobin, Hematocrit, Screening

Hemoglobin and hematocrit levels are fundamental hematological screening parameters that are relevant for identifying potential erythropoiesis disorders. An imbalance in these two parameters often reflects undiagnosed anemia, especially in adults and the elderly. The activity was carried out at the Cengkareng Baptist Foundation using the Plan–Do–Check–Act (PDCA) approach. The examination was carried out using the capillary method based on Point-of-Care Testing (POCT). Nutrition education was provided using leaflets containing information about the importance of micronutrients for blood formation. A total of 62 participants took part in this activity, with an age range of 23–76 years. Most participants were female (74.2%). Hemoglobin values ​​ranged from 7.4 to 17.3 g/dL, with a median of 11.9 g/dL. A total of 64.5% of participants had anemia. Hematocrit values ​​ranged from 22.0 to 51.0%, with a median of 35.0%. The high prevalence of anemia identified through this screening underscores the importance of preventive efforts through targeted nutritional education. Emphasis should be placed on the adequate intake of iron, vitamin B12, and folate to promote behavior change and reduce anemia risk in the community.

Anemia is a hematological disorder that is often not recognized in the adult age group. One lifestyle factor that can affect hemoglobin and hematocrit levels is the consumption of tea or coffee with meals, because the tannin and polyphenol content inhibits the absorption of non-heme iron. Early detection of hemoglobin and hematocrit levels accompanied by education about eating and drinking habits is an important strategy in preventing anemia. This screening activity is carried out using the Plan-Do-Check-Act (PDCA) approach. Examination of hemoglobin and hematocrit levels is carried out using Point-of-Care Testing (POCT) from capillary blood. Education is provided to all participants through leaflets and group counseling regarding the effect of tea and coffee consumption on iron absorption. A total of 91 participants took part in this activity, consisting of 39.6% men and 60.4% women, with an average age of 47.4 years. The average hemoglobin was recorded at 11.2 ± 1.6 g/dL and hematocrit at 33.0 ± 4.7%. As many as 42.9% of participants experienced anemia based on hemoglobin levels below normal values ​​according to gender. Hemoglobin and hematocrit examinations successfully identified a significant proportion of individuals at risk of anemia. Education on the right time to consume tea or coffee and increasing consumption of foods rich in iron and vitamin C are preventive interventions that can be applied to maintain optimal hematological status.   Keywords: Hemoglobin, Hematocrit, Anemia, Iron, Tea, Coffee, Diet

Dengue fever is an acute infectious disease caused by the dengue virus and transmitted primarily by the Aedes aegypti mosquito in urban environments and Aedes albopictus in rural settings. This disease is endemic in many tropical and subtropical regions and is a significant public health concern due to its potentially severe clinical manifestations. This case study presents an 8-year-old boy who was admitted to the hospital with complaints of a high-grade fever lasting for approximately three days. The fever was intermittent and accompanied by chills, which raised suspicions of a viral infection. In addition to fever, the patient also experienced dizziness with a spinning sensation, occasional cough, and flatulence. A thorough clinical evaluation was conducted, including history taking, physical examination, and supporting laboratory tests. Based on the clinical findings and laboratory results, the patient was diagnosed with dengue hemorrhagic fever (DHF) grade I. DHF grade I is characterized by fever, positive tourniquet test, and evidence of plasma leakage without spontaneous bleeding. The patient was managed with supportive therapy, including fluid replacement and close monitoring of vital signs and hematocrit levels to prevent the progression to more severe stages of dengue. No significant complications occurred during the hospital stay. After a period of observation and clinical improvement, the patient was discharged in good condition. This case highlights the importance of early recognition and accurate diagnosis of DHF in pediatric patients, especially in endemic areas. Prompt and appropriate management is essential to prevent complications and ensure recovery. Continuous public health education and vector control remain key strategies in reducing dengue incidence and severity.

Dengue Hemorrhagic Fever (DHF) is a disease caused by the Dengue virus and has a significant impact on public health, especially in tropical areas. Early diagnosis and prediction of DHF risk are essential to prevent complications and improve medical care. This study aims to develop a DHF risk prediction model using the Decision Tree method based on clinical symptoms and laboratory data. The data used include symptoms such as fever, joint pain, rash, and laboratory results such as platelet count and hematocrit. The Decision Tree model was chosen because of its ability to handle data with various variables and provide easy-to-understand interpretations. The research data were taken from patients diagnosed with DHF in several hospitals during a certain period. The dataset was then analyzed to find relevant patterns that could predict a high risk of DHF. The model training and testing process was carried out using cross-validation techniques to ensure prediction accuracy. The results showed that the Decision Tree model had an accuracy rate of 96.95% and consistent results from cross-validation which produced an average accuracy of 92.8%,, with good sensitivity and specificity in predicting DHF risk based on a combination of clinical symptoms and laboratory data. Factors such as low platelet count and fever symptoms lasting more than three days were found to be significant predictive variables. In conclusion, this Decision Tree model has the potential to be used as a tool in early prediction of DHF risk, which can help medical personnel in clinical decision making and patient management. Further development can be done by adding other variables such as epidemiological data to improve model performance.

Dengue Hemorrhagic Fever (DHF) is a disease caused by the Dengue virus and has a significant impact on public health, especially in tropical areas. Early diagnosis and prediction of DHF risk are essential to prevent complications and improve medical care. This study aims to develop a DHF risk prediction model using the Decision Tree method based on clinical symptoms and laboratory data. The data used include symptoms such as fever, joint pain, rash, and laboratory results such as platelet count and hematocrit. The Decision Tree model was chosen because of its ability to handle data with various variables and provide easy-to-understand interpretations. The research data were taken from patients diagnosed with DHF in several hospitals during a certain period. The dataset was then analyzed to find relevant patterns that could predict a high risk of DHF. The model training and testing process was carried out using cross-validation techniques to ensure prediction accuracy. The results showed that the Decision Tree model had an accuracy rate of 96.95% and consistent results from cross-validation which produced an average accuracy of 92.8%,, with good sensitivity and specificity in predicting DHF risk based on a combination of clinical symptoms and laboratory data. Factors such as low platelet count and fever symptoms lasting more than three days were found to be significant predictive variables. In conclusion, this Decision Tree model has the potential to be used as a tool in early prediction of DHF risk, which can help medical personnel in clinical decision making and patient management. Further development can be done by adding other variables such as epidemiological data to improve model performance.

Anaemia is a common medical condition characterised by a lack of red blood cells or a decrease in haemoglobin levels below normal, which is important for the distribution of oxygen in the body. This disorder has a significant impact on global health, especially in the elderly, pregnant women, and individuals with chronic diseases. Anaemia in women of reproductive age poses a severe health challenge, causing more than 115,000 maternal deaths each year. This activity uses the PDCA (Plan-Do-Check-Act) method to screen for anaemia by measuring haemoglobin and hematocrit levels in the productive age population at PT. Narindo, North Jakarta. The examination results showed that 38 people (28.57%) men and 5 people (3.97%) women had anemia. Routine screening, especially in high-risk populations, is critical for early identification and timely intervention, thereby reducing complications and health care costs. Efficient management through nutritional and pharmacological interventions can improve the quality of life and productivity of individuals suffering from anemia, thereby reducing the wider socio-economic impact.

The World Health Organisation (WHO) estimates that the global population aged over 60 years will increase from 900 million in 2015 to 2 billion in 2050. This demographic is particularly vulnerable to disease and disability, with declining haemoglobin levels long considered a consequence of aging. Nutritional deficiencies, chronic diseases, kidney disease, haematological malignancies, and anemia of unknown cause can all contribute to anemia in the elderly. This significantly impacts physical performance, cognitive function, and overall health. We carried out this activity at St. Francis Assisi, Jakarta, with 36 participants. We perform a physical examination and a complete blood count, including haemoglobin and hematocrit levels, to detect nemia. Among the 36 participants, 18 people (50%) had mild anaemia, 6 people (16.7%) had moderate anaemia, and 1 person (2.8%) had very severe anaemia. Anaemia in the elderly can cause severe health consequences, including physical and cognitive decline, increased hospitalisations, and death. Routine screening for haemoglobin and hematocrit levels is essential for early detection and intervention, improving quality of life and health outcomes for older adults.

Dengue Hemorrhagic Fever is still one of the disease problems in Indonesia today. The first case of DHF in Indonesia itself occurred in 1986 in the city of Surabaya, this disease continues to increase and spread throughout Indonesia, which causes all parts of Indonesia to be at risk of being infected with this disease. Dengue fever or dengue fever is an infectious disease caused by the dengue virus and is transmitted through the bite of Aedes aegypti and Aedes albopictus mosquitoes. This disease is one type of health disorder that interferes with everyone's productivity and is one of the infectious diseases that often causes outbreaks and causes death. This study aims to determine the hematocrit value in dengue hemorrhagic fever patients and what percentage of the hematocrit value in dengue hemorrhagic fever patients is in accordance with the normal value standard with descriptive research methods and examination methods using a hematology analyzer. For data analysis using the SPSS program, the K Independent Samples Test with a sig value of 0.000 was carried out on 33 blood samples obtained from dengue hemorrhagic fever patients in a regional hospital 45 kunngan purposively. The results showed that there were differences in the hematocrit value in patients with dengue hemorrhagic fever. The results of the examination of the hematocrit value of dengue hemorrhagic fever patients showed an increase in the hematocrit value of 12 people with a percentage of 36.40%, a decrease of 6 people with a percentage result of 18.20% and for normal numbers as many as 15 people with a percentage result of 45.50 %