In the attached video you can find the leraning material regarding the effects of catecholamines on the heart rate and blood pressure and the use and mechanism of different major non-catecholamine sympathomimetic agents. Timeline: 0:00 - Catecholamines effect on blood pressure and heart rate (adrenaline, noradrenaline, isoprenaline) 5:37 - Non-catecholamines (alpha-1 agonists, nasal decongestant) 8:40 - Phenylephrine (non-catecholamines) 9:41 - Methoxamine, mephentermine and midodrine 13:08 - Phenylpropanolamine 13:58 - Summary