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How can GPs stay up to date with the rapid changes in medical knowledge?

20 May 2025 - Medcast Medical Education Team

It’s a problem as old as the profession. Harvard University Professor Nicholas Christakis said it in 1910: ‘there has always been and will always be too much to know. Medical knowledge is theoretically and practically limitless.’

However, the current rates of expansion of medical knowledge far exceed what Christakis could have imagined. A doctor practising in 1950 would have seen medical knowledge double every 50 years. In 2010, the rate was at 3.5 years, and by 2020, it will only take 73 days for existing medical knowledge to double in size.

While a GP is expected to continue their own education and professional development, given the rapidly expanding landscape of medical knowledge, this process is not what it used to be.

There are more conditions to diagnose, the diagnostic investigations are changing, treatments are changing, and the available drugs for treatment are growing at an exponential rate.

The modern challenges of primary care include the rise of Dr Google. Most patients will have googled their symptoms prior to seeing a GP. Google claims that one in twenty searches are conducted to obtain health-related information. And it’s not always wrong.  A recent BMJ study found that out of 26 medical cases, Google was correctly able to diagnose 15 cases.

It is a tool that cannot be ignored, and it leads to the question - how do new and changing technologies such as Google, with its access to a wealth of the latest information globally affect the GPs’ confidence in their ability to correctly diagnose and treat patients?

However, despite the many challenges now facing GPs, they remain the most productive and cost effective branch of the Australian health system. Their expertise and efforts in both primary care and preventive health ultimately reduce demands on the very expensive tertiary care system. GPs have repeatedly proven their worth in spite of the severe lack of funding in their sector.

So how can GPs best be supported in the current environment especially in their quest to keep up to date with the latest advances in medical science?

Continuing medical education is, of course, a prerequisite for medical registration. But what format is the most effective? Which programs deliver the best value in terms of skills learned for time invested?

Studies show that GPs overwhelmingly (at a rate of 95%) prefer learning in a group, and 83% prefer face-to-face lecture-based formats. These forms of learning appear to be the most engaging to GPs.

In addition, the education is only meaningful when the acquired knowledge actually offers an opportunity for changes in practice. That is, the knowledge gained has to be both relevant and practical.

Here at Medcast we have teamed up with top UK medical educators, NB Medical. This partnership offers GPs a rare opportunity to access high level medical education in Australia.

Our current ‘Hot Topics’ courses include all three CPD categories to help you meet your CPD requirements while getting the latest clinical practice guideline updates to support patient care. The courses are designed to offer condensed or ‘chunked’ bursts of information that can be more easily incorporated into a GP’s tight working schedule.

Hot Topics courses build on your knowledge by providing the newest information on the most common conditions faced in primary care. A comprehensive Hot Topics interactive course manual including Need to Know boxes at the start of each topic detailing the most important, up-to-date information and then Learning Points and Quality Improvement boxes at the end to give you those crucial bottom lines to take away and use in practice - providing a great opportunity for additional measuring outcomes CPD. The digital version of the course book, included in the current Hot Topics course contains many more topics and is instantly searchable and the references are all hyperlinked.

The NB Medical Hot Topics series already has an excellent reputation in the UK with GP testimonials praising the program as a clear, structured and useful learning experience.  

Medcast and NB Medical have risen to the challenge of providing high quality continuing medical education directly relevant to GP practice. Interactive presentations are all based on patient scenarios.

We offer GPs the opportunity to ensure they continue to deliver the highest standard of clinical care in the face of the ever-changing landscape of medical knowledge.

And while, in medicine, there will probably always be that sense that there is ‘too much to know’, Hot Topics will help keep Australian GPs up-to-date on what is worth knowing in order to stay ahead of the game as a primary care professional.

Related courses

Hot Topics 2025 - Update in Metabolic Diseases

Hot Topics 2025 - Update in Women's Health and Asthma

Medcast Medical Education Team
Medcast Medical Education Team

The Medcast medical education team is a group of highly experienced, practicing GPs, health professionals and medical writers.

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