If you try to simplify it, it will be easier on you.
When you study, try to think: if this happens, then I do.... ABCD, then ABCD
If you see a certain rhythm, you check responsiveness and do ??????, administer ??????? for it-its all in the algorithms. For instance: Unresponsive male, no pulse, no breathing with NSR----BLS first ABCD primary survey, ABCD secondary survey----got PEA here-----for PEA, treat cause----------assess for the possible H's & T's-----treat & when all else fails, give epi [how much? every? minutes, how fast?]. Just try to imagine a situation to match the various algorithms and it becomes a visual picture that you can remember versus memorization of words.
Also, have fun thinking about adenosine---push hard and fast and wait for your heart to stop when you just caused the patient's heart to stop