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''Trividharogavisheshavijnaniyam'' solely deals with the methods of clinical examination of the patient. Various types of examinations viz. ''rogapariksha, rogipariksha, trividha pariksha, shadvidha pariksha, ashtavidha pariksha'', and ''dashavidha pariksha'' are described in [https://en.wikipedia.org/wiki/Ayurveda Ayurveda] for the examination of the patient and the diagnosis of the disease. All these examinations do not go beyond the ''trividha pariksha'' described in this chapter. ''Aptopadesha'' gives all the details of the disease i.e. its causative factors, pathogenesis and treatment and thus, provides all the theoretical knowledge of the disease which is helpful during clinical examination. ''Pratyaksha'' deals with direct examination of the patient by the physician. The physician has to use all his senses during the examination, in which he has to look for various signs and symptoms, changes in the color etc. Any information collected through ''anumana'' and ''pratyaksha'' cannot provide all the details of existing pathologies in the body. Now the physician has to use his own intellect and tries to establish the relation between the signs and symptoms and the likely pathologies in the body. He has to use his logic and reasoning and apply it properly in finalizing the vitiated ''doshas'' in the body. ''Anumana'' helps the physician to deduce and draw inferences where it is not possible to visualize or see, in order to draw certain conclusions or understand causation of an ailment.  

''Trividharogavisheshavijnaniyam'' solely deals with the methods of clinical examination of the patient. Various types of examinations viz. ''rogapariksha, rogipariksha, trividha pariksha, shadvidha pariksha, ashtavidha pariksha'', and ''dashavidha pariksha'' are described in [https://en.wikipedia.org/wiki/Ayurveda Ayurveda] for the examination of the patient and the diagnosis of the disease. All these examinations do not go beyond the ''trividha pariksha'' described in this chapter. ''Aptopadesha'' gives all the details of the disease i.e. its causative factors, pathogenesis and treatment and thus, provides all the theoretical knowledge of the disease which is helpful during clinical examination. ''Pratyaksha'' deals with direct examination of the patient by the physician. The physician has to use all his senses during the examination, in which he has to look for various signs and symptoms, changes in the color etc. Any information collected through ''anumana'' and ''pratyaksha'' cannot provide all the details of existing pathologies in the body. Now the physician has to use his own intellect and tries to establish the relation between the signs and symptoms and the likely pathologies in the body. He has to use his logic and reasoning and apply it properly in finalizing the vitiated ''doshas'' in the body. ''Anumana'' helps the physician to deduce and draw inferences where it is not possible to visualize or see, in order to draw certain conclusions or understand causation of an ailment.  

Charaka has described the entire clinical examination in this chapter. There is no fourth tool required for clinical examination except ''aptopadesha, pratyaksha'' and ''anumana''. In [https://en.wikipedia.org/wiki/Ayurveda Ayurveda], emphasis is given to the use of the five senses in examining a patient. First hand information gathered through the physical examination by five senses is critical to the process of diagnosis. These three types of examinations are also used to assess bad prognosis of the disease and to identify the ''arishta'' (signs and symptoms of imminent death) also. [8] 

Charaka has described the entire clinical examination in this chapter. There is no fourth tool required for clinical examination except ''aptopadesha, pratyaksha'' and ''anumana''. In [https://en.wikipedia.org/wiki/Ayurveda Ayurveda], emphasis is given to the use of the five senses in examining a patient. First hand information gathered through the physical examination by five senses is critical to the process of diagnosis. These three types of examinations are also used to assess bad prognosis of the disease and to identify the ''arishta'' (signs and symptoms of imminent death) also.<ref> Agnivesha, Charaka, Dridhabala, Charaka Samhita Indriyasthana Adhyaya 1/4, Edited by Jadavaji Trikamji, Fifth Edition, Chaukhambha Sanskrit Sansthana, Varanasi, 2001, 354. </ref>

Examinations like inspection, palpation, percussion and auscultation are part of ''pratyaksha pariksha''. Nowadays, various new techniques like X-ray, USG, CT Scan, MRI etc. are in use that help augment ''pratyaksha pariksha''. Abnormal findings suggest the underlying pathologies in the body with the use of ''anumana pariksha''. But over-dependence on technology has made the doctors move away from the use of their sensory perception and from prima facie clinical diagnosis. Excessive use of technology makes the process of diagnosis more complicated, costly and time consuming. The most important disadvantage of using technology is that it is reducing the use of logic and reasoning (''yukti'') by a physician. It also has influence on the doctor patient relationship. The most important thing which has been described by Charaka is to enter in to the soul of the patient to make correct diagnosis and is somewhere missing due to excessive use of technology. Proper use of ''trividha pariksha'' by a physician with required use of technology, will help him to reach up to the diagnosis immediately, correctly and will also be cost effective to the patient.

Examinations like inspection, palpation, percussion and auscultation are part of ''pratyaksha pariksha''. Nowadays, various new techniques like X-ray, USG, CT Scan, MRI etc. are in use that help augment ''pratyaksha pariksha''. Abnormal findings suggest the underlying pathologies in the body with the use of ''anumana pariksha''. But over-dependence on technology has made the doctors move away from the use of their sensory perception and from prima facie clinical diagnosis. Excessive use of technology makes the process of diagnosis more complicated, costly and time consuming. The most important disadvantage of using technology is that it is reducing the use of logic and reasoning (''yukti'') by a physician. It also has influence on the doctor patient relationship. The most important thing which has been described by Charaka is to enter in to the soul of the patient to make correct diagnosis and is somewhere missing due to excessive use of technology. Proper use of ''trividha pariksha'' by a physician with required use of technology, will help him to reach up to the diagnosis immediately, correctly and will also be cost effective to the patient.