Shocking statistics on suicide â¦ a leading cause of death in Guyana â Dr Leslie Ramsammy. The following was excerpted from a feature written by former Minister of Health, Dr Leslie Ramsammy on the suicide crisis currently sending shock-waves throughout Guyana.
Additional common causes of insomnia include: 1  Mental health disorders. Anxiety disorders, such as post-traumatic stress disorder, may disrupt your asleep. 2  Medications. Many prescription drugs can interfere with sleep, such as certain antidepressants and medications for asthma or blood pressure. 3  Medical conditions.
What Causes Sudden Cardiac Arrest? Ventricular fibrillation (v-fib) causes most sudden cardiac arrests (SCAs). V-fib is a type of arrhythmia. During v-fib, the ventricles (the heart's lower chambers) don't beat normally. Instead, they quiver very rapidly and irregularly. When this happens, the heart pumps little or no blood to the body.