# IoT-Based Medical Image Monitoring System Using HL7 in a Hospital Database
## 2 Materials and Methods
### Ultrasound Machine to Raspberry Pi HL7 Messaging Process
#### 2.1.1 HL7 Block Formation and Messages
and M.M.H., O.C.--Chowdhury; writing--original draft preparation; writing--review and editing, M.S.H., G.M., S.A.A., A.Y. and M.A. ; supervision, M.S.H. and G.M. ; project administration, M.S.H., G.M., S.A.A. and M.A. ; funding acquisition, M.S.H. All authors have read and agreed to the published version of the manuscript. \begin{table}
\begin{tabular}{c c c c c c} \hline \hline \multirow{2}{*}{**Study**} & \multirow{2}{*}{**Data Type**} & **Machine** & **M to M Communication** & **Real time** & **IoT** \\  & & **type** & **munication** & **Monitoring** & **Dashboard** \\ \hline
[6] & Video & Ultrasound & No & Yes & No \\ \hline
[13] & Text & Sensors & No & No & No \\ \hline
[15] & Text & Sensors & Yes & No & No \\ \hline
[17] & Text & Sensors & Yes & Yes & No \\ \hline
[22] & Text & Sensors & Yes & Yes & Yes \\ \hline Proposed Method & Text, Image & Ultrasound, MRI, CT & Yes & Yes & Yes \\ \hline \hline \end{tabular}
\end{table} 
Table 6: Comparison with existing methods. **Funding:** This work was supported by the Researchers Supporting Project number (RSP2023R32), King Saud University, Riyadh, Saudi Arabia. **Acknowledgments:** This work was supported by the Researchers Supporting Project number (RSP2023R32), King Saud University, Riyadh, Saudi Arabia. **Conflicts of Interest:** The authors declare no conflict of interest. * [PERSON] and [PERSON] (2012) [PERSON]; [PERSON] SEAIoT: Scalable e-health architecture based on Internet of things. _Int. J. Comput. Appl._**2012**, _59_, 44-48. [CrossRef]
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