Boil a large pot of salted water and cook the fettuccine according to package instructions until al dente.
In a large skillet, heat olive oil over medium heat.
Add minced garlic and sauté for about 1 minute until fragrant.
Add the shrimp to the skillet and cook until pink, about 3-4 minutes.
Remove the shrimp and set aside, leaving the garlic in the pan.
Pour in the heavy cream and bring to a simmer.
Gradually whisk in the grated Parmesan cheese until smooth.
Season the sauce with salt and pepper to taste.
Return the shrimp to the skillet and stir to coat in the sauce.
Drain the pasta and combine it with the shrimp Alfredo sauce, mixing well.