| Cover and contents | |
| 1-2 |
| Extracorporeal ultrafiltration in refractory heart failure | |
| Lilyana Mircheva, Yoto Yotov, Atanas Angelov, Antoniya Kisheva, Orlin Kunchev, Vera Sirakova | 3-11 |
| Cardiorenal syndrome in patients with chronic kidney disease and bone-mineral disorders | |
| Svetla Staykova, Snejana Atanasova | 12-23 |
| Diphtheria in Europe, Bulgaria and Varna district - past, present and future | |
| Rumen Konstantinov, Eliyana Ivanova | 24-30 |
| Halotherapy - an alternative method for the treatment of respiratory diseases | |
| Evgeniya Vladeva | 31-35 |
| Prognosis in patients with myocardial infarction with ST-elevation depending on the timing of interventional revascularization | |
| N. Penkov, V. Mura, O. Hlinomaz, D. Velevski, Y. Sitar, G. Kirilova, M. Rezek, M. Zlatanova, D. Dimova, Y. Dichkova | 36-44 |
| Embolization of bronchial arteries in cases of life-threatening bleeding | |
| Georgi Todorov, Chavdar Bachvarov, Georgi Valchev, Ralica Popova, Antonio Antonov, Stanimir Sirakov, Nikolay Conev, Eleonora Dimitrova | 45-49 |