A reference for understanding pacemaker identification codes.
ABGs provide valuable information for assessing and managing a patient’s respiratory and metabolic acid-base balance.
Generally, the amplitude of the T wave goes up and down, proportional to the K+ level. The QT interval generally lengthens and shortens opposite to Ca2+ levels.
“A heart murmur is a swooshing sound that occurs with turbulent blood flow in the heart or great vessels.”
There are four traditional valve areas noted- these are not the actual anatomical locations of the valves, but where they are heard the best.
The pericardium is a double-walled sac enclosing the heart. The parietal pericardium (outer wall) has a tough, superficial fibrous layer of dense irregular connective tissue and a thin serous layer. The serous layer turns inward at the base of the heart to form the visceral pericardium. The pericardial sac is anchored by ligaments to the […]
Bad news for you grapefruit juice fans…
Click here for a quick overview of the cardiac cycle and the corresponding waveforms.
“The human heart beats 2.5 billion times during a normal lifespan”