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.
This is a sample EMT-B Cardiology test of 15 questions. Unlike the versions of our tests that are included with a paid subscription, this test cannot be automatically graded by clicking the button at the bottom of the page. With our paid subscription to EMT National Training you get instant grading, rationale behind the correct answers and a detailed exam tracking system. EMT-Basic Test - Cardiology.
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.