[Differential diagnostics in thoracoabdominal syndrome].

The article discusses diagnostic difficulties in patients with acute abdominal pain. The author adduces data on the frequency of late diagnostics of pleuropneumonia and diaphragmatic pleuritis in patients with abdominal syndrome before admission, and in the admission department of an urgent aid hospital. The analysis of the causes of delayed diagnosis of lung and pleura diseases is exemplified with 2 clinical observations.

[Difficulties in diagnostics of acute abdominal vascular diseases].

The article discusses difficulties in diagnostics of some acute vascular diseases of abdominal organs, associated with abdominal pain. The analysis of the reasons for late diagnosis of mesenterial thrombosis and dissecting aneurysm of the abdominal aorta is based on 2 clinical observations.

[Abdominal syndrome in patients with coronary heart disease].

The article discusses diagnostic difficulties in acute abdominal pain. The author adduces data on the frequency of diagnostic errors in diagnostics of coronary heart disease (CHD) before admission and in the admission department of an urgent aid hospital. The analysis of the causes of delayed diagnosis in patients with CHD and acute myocardial infarction is exemplified with 3 clinical observations.

[Difficulties in differential diagnosis of abdominal pain].

The authors discuss difficulties of differential diagnosis in acute abdominal pain; analyse cause of misdiagnosis in recurrent abdominal colicky pain, report three cases of mistakes in making diagnosis of acute pancreatitis, thrombosis of the mesenterial vessels in a patient with ischemic heart disease and chronic aneurysm of the left ventricular anterior wall, gastric ulcer complicated by hemorrhage in combination with new-onset diabetes mellitus with ketoacidosis.