* He hastily scribbled a note and shoved it into his pocket. (This emphasizes the speed and lack of care in the action.)
* The doctor warned her against making hasty decisions about her treatment. (This highlights the potential risks of making decisions without careful consideration.)
* They hastily packed their bags and left the house, unsure of what to expect. (This conveys a sense of urgency and uncertainty.)
Remember: "Hastefully" implies a lack of careful planning or consideration, often due to a sense of urgency or panic.