MediumRural & Remote MedicineHeart failure assessment in remote settingau-amcau-acem
A 65-year-old man presents with progressive bilateral leg swelling, weight gain and shortness of breath. He lives in a remote community with limited access to cardiac services. Examination shows elevated JVP, bibasal crackles and pitting oedema. What simple investigation in the local clinic would most help differentiate cardiac from non-cardiac causes?