Before opening the PDF, watch the corresponding YouTube video at 1.5x speed. Do not take notes. Just watch the drawings emerge.
The primary benefit of the Armando PDF notes is that they provide a visual "hook" for memory. It is often easier to recall a drawn pathway of the Renin-Angiotensin-Aldosterone System (RAAS) than a paragraph describing it. armando hasudungan notes pdf
Each PDF page follows a narrative: