Aim: The research paper aims to analyze the frequency of Cyanotic and Acyanotic Congenital Heart Defects (CHDs) in children up to 2 years of age in Faisalabad, Pakistan and the secondary aim is to see the gold standard modality for the diagnosis of CHDs. Method: A cross-sectional study was performed via consecutive sampling based on 120 questionnaires conducted at the Faisalabad Institute of Cardiology. The data was collected with the permission of the relevant department and with the consent

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... the patient. Results: Data from 120 patients were collected with a 60% male to 40% female ratio. Out of 120 referred children (neonates; 29.9%, less than 1 year; 50.2%, greater than 1 year; 19.9%), 93% were diagnosed as having congenital heart defects. The relative frequencies of cyanotic and acyanotic congenital heart defects were 17% and 83%. The majority of patients with congenital heart disease detected have acyanotic congenital heart defects. Conclusion: Tetralogy of Fallot is the commonest cyanotic defect while Ventricular Septal Defect is the commonest acyanotic defect. To prevent complications, early detection of heart failure is very important for proper management. The 2D-echo with the Doppler test creates a gold standard for diagnosis.