| Hfr | heart frequency; high frequency |
|---|---|
| HHD | high heparin dose; home dialysis; hypertensive heart disease |
| HHS | [Department of] Health and Human Services; Hearing Handicap Scale; hereditary hemolytic syndrome; hu... |
| HHT | head halter traction; hereditary hemorrhagic telangiectasia; heterotopic heart transplantation; homo... |
| HI | half-scan with interpolation; head injury; health insurance; hearing impaired; heart infusion; hemag... |
| left heart bypass | Any procedure that shunts blood returning from the pulmonary circulation to the systemic circulation without passing through the left heart. This is utilised during some cardiac surgery and experimentally during severe left heart failure or cardiogenic shock. (05 Mar 2000) |
|---|---|
| left-sided heart failure | Inability of the left heart to maintain its circulatory load with corresponding rise in pressure in the pulmonary circulation usually with pulmonary congestion and ultimately pulmonary oedema. (05 Mar 2000) |
| frosted heart | Hyaloserositis involving the pericardium. Synonym: icing heart. (05 Mar 2000) |
| lion-heart | A very brave person. Source: Websters Dictionary (01 Mar 1998) |
| longitudinal sulcus of heart | See: anterior interventricular groove, posterior interventricular groove. (05 Mar 2000) |