Chapter 1.17: Diseases of Vital Organs Including Head (Kiyanta Shiraseeya Adhyaya / कियन्तःशिरसीय अध्याय)
Systematizes pathology of three vital organs (head, heart, urinary bladder), classifies dosha permutations producing 62 disease combinations, describes tissue depletion syndromes, ojas, pustule types, and dosha movement patterns.
Source: Astanga Hridaya Sutrasthan by Vagbhata
This chapter systematizes Ayurvedic pathology through clinical taxonomy of vital organ diseases (head, heart), dosha permutation analysis producing 62 disease combinations, tissue depletion syndromes including ojas definition, pustule classification, and dosha movement states. It establishes the principle that increased doshas manifest proportional symptoms while decreased doshas reduce physiological functions.