Eric Andrew
Kristof

Chronic care management (CCM) is a Medicare service for patients with two or more chronic conditions that pays for care coordination outside face-to-face visits, supported by an electronic comprehensive care plan, 24/7 access, and managed transitions. This post explains the CMS requirements, how complex CCM and newer bundles such as advanced primary care management differ, and what studies found about pharmacist-led CCM revenue, a 26,500-patient platform, and team-based remote monitoring.

APACHE, the Acute Physiology and Chronic Health Evaluation, is a family of severity-of-illness scores that combine early ICU physiology, age, and chronic health status to estimate the risk of hospital death. This post explains how APACHE II and IV work, what a 145-patient trauma study and a 159-admission COPD study found about their accuracy, what a systematic review found in low- and middle-income countries, and why calibration matters as much as discrimination.

A zero-day threat exploits a security vulnerability that the software developer does not yet know about, so no fix exists at the time of the attack. This post explains why zero-days are hard to defend against, what a systematic review found about why health care systems are vulnerable, what a 2026 study of meta-learning intrusion detection reported using benchmark datasets, and what practical layers reduce exposure when no patch is available.