Upper UTIs are infections of the kidneys. These are potentially life threatening, if bacteria move from the infected kidney into the blood. This condition is called sepsis. Sepsis can cause dangerously low blood pressures, shock, and death.
So whe you hold your breath, you stop getting oxygen in your lungs that go to your heart. The oxygen level in the blood drops, so your muscles need more oxygen, so the heart pumps faster. This is like running, your muscles need more oxygen so heart pumps faster
No. Your heart keeps right on beating, even through the worst sneezing fit you can imagine. Coughing, sneezing, bearing down, and other activities can change the pressure inside the chest and the blood flow back to the heart from the veins. Itâs theoretically possible that sneezing could change blood flow enough to cause the heart to delay a beat for a fraction of a second.