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Understand what the ankle mortise view X-ray shows, how it differs from a standard AP view, and key measurements that guide injury classification.

Understand what a scanogram is, how full-length limb imaging works, its clinical uses, and how it differs from standard X-ray techniques.

Explore specialised X-ray views including skyline, Rosenberg, scaphoid, and shoulder projections, when they are ordered, and what each reveals that standard films miss.

Understand what each PNS X-ray view targets. Waters for maxillary sinuses, Caldwell for frontal and ethmoid, lateral for sphenoid and how Visit Health's NABL-accredited imaging network and same-day ENT teleconsultations support accurate sinus diagnosis and follow-up care.

Understand what transferrin saturation (TSAT) measures, what low and high levels indicate across iron deficiency and iron overload conditions, and how Visit Health's NABL-accredited labs and same-day hematology teleconsultations support accurate iron panel interpretation and follow-up care.

HDL, high-density lipoprotein, is the form of cholesterol the body uses to clear excess fat from the bloodstream and transport it back to the liver for disposal or recycling. While LDL deposits cholesterol into arterial walls over time, HDL works in the opposite direction, removing it. This process, called reverse cholesterol transport, is the core reason HDL is associated with lower cardiovascular risk. A higher HDL level means more of this clearing capacity is available.