I've been getting a deep pulse in my heart, it feels like a lump in my throat for a sec and my heart beat is weird feel for a few seconds the fine?

From the. Description you may have palpitations, which are common episodes of heart fluttering, skipping beats or racing. Can sometimes be related to caffeine intake, certain medications, anxiety. For the most part the tend to be benign, but should be evaluated if persistent or if accompanied by chest pain, dizziness or other symptoms to rule out other diseases. Good luck!
Palpitation. If these don't take your breath away and don't happen more than 5x/minute, or cause you to lose consciousness, don't worry about them. They may be the result of your medications.