An exploration of interactions among 'fuzzy' qualitative concepts that interact to produce either tolerance or violent conflict. ​Z509 p43-49 System Zoo 3 by Hartmut Bossel.

Kidney replacement therapy dynamics: stock and flow and CLD (Forrester) diagram of the kidney dialysis and transplant CLD im-317

Regulation of resource allocation to service in response to service quality. A non-price-mediated resource allocation system. From Sterman JD Business Dynamics p172 Fig 5-27

Simple Bass diffusion modified from Sterman Business Dynamics Ch9. Compare with the SI infectious disease model Insight 584.

A general model of flows between hospital and the community. An expanded version is at IM-623

Click +View Story on Bottom Left to unfold his wide view of Emergency care patient flows IM-6072 used as context to add confounders and potential indirect effects. See also IM-1010 for hospital fixes that fail, wiki for general Systems Archetypes and wiki for Leverage Points (There is also a health leverage points WIP wiki page)

WIP for Effects of Senior Staff Weekend Rostering on ED Flows. Two areas Map simplified later to no specific areas Simulation in IM-11079

This model shows the Pharmaceutical New Drug Pipeline based on drug release, approval and patent expiry. This pipeline is then linked to patients switching from older drugs to newer drugs based on proven indications and marketing (indication creep). Based on work by Mark Heffernan on the Australian Pharmaceutical Benefits Scheme for drug subsidy.Conference paper and Larger ithink model

Created in James Madison University's ISAT 341 Simulation and Modeling course by Joseph Straub and Andrew Funkhouser. Based on Mark Heffernan's Glucose-Insulin Insight Maker

Glucose Insulin Model Info:

Translated from Hormone.stm in Dynamic Modeling in the Health Sciences James L hargrove, Springer 1998, Ch 24 p255-261, by Mark Heffernan.

Childhood obesity map for state prevention. Extended at  CCP 5 risk factors IM See also Christine's private version

This is a stock flow map representation From Evans RG and Stoddardt GL  1990 paper Soc Sci Med 31(12)1347-63 , also published in a book by Evans, Barer and Marmor, Why are some people healthy and others not?: The determinants of population health See IM-425 for a simulation.

A general stock flow map of flows between hospital and the community, with more detail for hospital inpatient flows. An expanded version of IM-622

A stock flow structure used to show the unit of analysis, scope of study and context of the ED Four hour rule project, cloned from im-399 monthly flows

This is a simpler version of Insight 649 showing the flow of Older People among the Community Hospital and Aged Care Residences

Hannon and Ruth Modeling Dynamic Biological Systems p67

WIP Stock Flow representation of Panarchy Adaptive Cycles

Addition of glucagon hormone action to control glucose homeostasis extended from IM-586

From PLOS One Article April 2012 Worni, M et al System Dynamics to Model the Unintended Consequences of Denying Payment for Venous Thromboembolism after Total Knee Arthroplasty

Critical Systems Heuristics Boundary critique from Ulrich See also Critical Systems Thinking Insight

Based on a book chapter by Rosemarie Sadsad based on her PhD Thesis. See also other Insights tagged Multiscale and Realist ( IM-3546 and IM-3834 are embedded here)

From Tarek KA Hamid's Book Thinking in Circles About Obesity Springer 2009

Causal Loop Diagram of the Dynamics of Emergency Department Crowding Initial View from the waiting room 

Jenny W. Rudolph Nelson P.Repenning Disaster Dynamics: Understanding the Role of Quantity in Organizational Collapse Administrative Science Quarterly,47(2002):1-30 paper  

Based on Ransohoff DF, McNaughton Collins M, Fowler FJ. Why is prostate cancer screening so common when the evidence is so uncertain? A system without negative feedback. Am J Med. 2002;113:663-7. See IM-15991 for a generic Stock Flow Map