Background of the study: The beginning of heartbeats may be detected as early as the 5 th week of an infant's existence within the uterus. Normal functioning of heart can be interrupted and it can cause irregular heartbeats called cardiac dysrhythmias. Electrocardiogram is the most common diagnostic tool in cardiology. If electrocardiography is read accurately, it may considerably contribute to the accurate diagnosis and timely therapy of heart diseases. Within ten minutes of a patient presenting symptoms associated to cardiovascular problems, electrocardiography must be performed, recorded, and interpreted in order to adhere to the criteria established by the American Heart Association (AHA). As a member of the medical team, a nurse is expected to have a 99% accuracy rate in detecting ECG signs that indicate whether a patient is experiencing potentially lethal dysrhythmias or other abnormalities that put their life in jeopardy. Methodology: In order to evaluate the efficacy of Planned Teaching Programme on nursing students' understanding of cardiac dysrhythmias and their interpretation in chosen institutions in Jalandhar, Punjab, a pre-experimental study with a one-group pre-test and post-test design was carried out. A strategy known as non-probability purposive sampling was used in order to choose the sample of one hundred nursing students who would then participate in the data gathering. The information was gathered with the use of a self-structured knowledge questionnaire, and it was analysed using descriptive as well as inferential statistics.
Results and Conclusion:It was vivid that the mean pre-test knowledge score was 12.4+2.81 and posttest knowledge score was 30.69+3.12 with regards to cardiac dysrhythmias and its interpretation with difference of 18.29. According to the results of our analysis, the computed "t" value (43.45) was statistically significant (p=0,001). Researcher found that nursing students' post-test understanding of cardiac dysrhythmias and how to interpret them improved following the introduction of the Planned Teaching Programme.