Valuable conclusions on the effect of. loads and heating on concrete explosive spalling are shown in the paper. Keywrds: High-strength concrete, fire, explosive spalling, columns, heating rate, axial loads. INTRODUCTION. Concrete spalling under high temperatures is a major factor of reducing itâs fire resistance.
Abnormal heart rhythms are called arrhythmias. There are two kinds of cardioversion. Your doctor may give you one or more medicines to bring back your regular heartbeat. This is called pharmacologic (chemical) cardioversion. Doctors also restore regular rhythms by sending an electrical shock to the heart. This is called electrical cardioversion.
Contrast echocardiogramâA solution is injected into the vein and can be seen in the heart. Stress echocardiogramâThis records the heart's activity during a cardiac stress test. Echocardiogram with Doppler ultrasoundâThis helps your doctor assess blood flow. Transesophageal echocardiogramâTo provide clear images of the heart, the ultrasound device is put down your throat. Your doctor may need to use this test depending on what part of the heart needs to be viewed.