Pace maker of the heart - Study guides, Class notes & Summaries

Anatomy - answer-The study of structure 4 areas of Anatomy - answer-Histology, Gross Anatomy, Neuroanatomy, and Embryology. What is "inextricably linked in Anatomy?" - answer-Form and function What is a molecule? - answer-Group of atoms bonded together A molecule is on what level? - answer-Chemical level cells - answer-smallest living structures and are formed from atoms and molecules cells are found at which level? - answer-cellular level Tissues - answer-similar cells that...

Relias Dysrhythmia Basic Test Answers normal sinus rhythm heart rhythm originating in the sinoatrial node with a rate in patients at rest of 60 to 100 beats per minute Sinus Arrhythmia Appearance is ALMOST NORMAL: Respiratory – Circulatory interaction Rate INCREASES with INSPIRATION (IN=IN) Sinus Bradycardia <60 normal sinus rhythm Sinus Tachycardia >100 (100-150) normal sinus rhythm Premature Atrial Contraction (PAC) Heart Rate: Depends on underlying rhythm ...

P wave - ANSWER Depolarization of the atria PR interval - ANSWER -Normal is 0.12 to 0.2 seconds - onset of atrial depolarization until onset of ventricular polarization QRS complex - ANSWER -Normal is 0.06 to 0.11 seconds -Ventricular depolarization -systole T wave - ANSWER -appears after QRS complex - Ventricular repolarization -Spiked T-wave occurs with hyperkalemia U wave - ANSWER - repolarization of the purkinje fibers - seen in patients with hypokalemia SA node - ANSWER...

ATE 1211 Final Exam Questions With Verified Answers. The P-wave of the ECG represents what cardiac event? Question options: ventricular systole ventricular diastole atrial depolarization ventricular depolarization - answeratrial depolarization What event is responsible for making first heart sound? Question options: Closure of the AV valves Closure of semilunar valves turbulent flow past open semilunar valves - answerClosure of the AV valves During ventricular systole, which event o...

CSEP CEP Study Guide Exam Questions & Answers 2024/2025 Autorythmic - ANSWERSSelf Exciteable, and repeatedly generate action potential eg. natural pace maker Cause of fundamental heart rhythm - ANSWERSNOT by nerve impulses or hormones, rather electrical impluse SA Node - ANSWERSMain natural pacemaker, faster conduction than autorhytmic fibres The Heart's electrical flow - ANSWERSSA Node to AV Node - AV Node to AV Bundle - Bundle of HIS to L and R branches to Apex and Purkinje FIbr...

T or F: Potassium ions are at high concentrations inside of cells, including neurons - ANSWER-True The action potential is a result of: - ANSWER-the movement of ions The post-synaptic cell can be: - ANSWER-in glands, muscle cells and neurons Th resting potential of a neuron is - ANSWER--60mV T or F: The cell body refers to the part of the neurons that begin at the dendrites and extend to the axon terminal - ANSWER-false T or F: Voltage gated ion channels open when a protein binds ...

Critical Care Exam 1 Questions and Answers 100% Pass P wave - Correct Answer ️️ -Depolarization of the atria PR interval - Correct Answer ️️ --Normal is 0.12 to 0.2 seconds - onset of atrial depolarization until onset of ventricular polarization QRS complex - Correct Answer ️️ --Normal is 0.06 to 0.11 seconds -Ventricular depolarization -systole T wave - Correct Answer ️️ --appears after QRS complex - Ventricular repolarization -Spiked T-wave occurs with hyperkalemia U...

We want the sinus node pacing the heart. Depolarization- _______ Repolarization- ________ and refilling correct answers Contraction; relaxing At rest there is a _____ charge inside the cell and a positive charge outside the cell Na+ is most plentiful ______ the cell and K+ is most plentiful inside the cell. When the muscle depolarizes Na rushes ___ and K rushes ___ in a wave pattern correct answers negative; outside; in; out For a cell to depolarize it must be ______ stimulate...

Sinus Arrhythmia - ️️Rate: increases on inspiration, decreases on expiration Rhythm: *Always has irregular rhythm* P waves?: yes PR interval: normal QRS: normal Significance: usually a normal finding and usually is *not treated* Sinus Tachycardia - ️️Rate is >100/min (usually below 160) Rhythm is regular P wave present PR interval: normal 0.12-0.20 QRS complex:normal 0.6-0.10 Interpretation: correct the underlying cause, adminster beta blockers or calcium channel blockers....

Pace Maker of the Heart - ANSWERThe Sino Atrial node is also known as the 100/60 -138/89 - ANSWERNormal BP range is -0.1 eV for each box in the vertical direction -typically there are 10 boxes in the vertical direction for QRS complexes, adding up to 1.0 eV - ANSWERThe vertical lines in each of the boxes indicate: Coreg and epinephrine - ANSWERWhat medication can change Atrial fibrillation to a sinus rhythm? 140-250 bpm - ANSWERWhat is the heart rate with a SVT? -Stimulate the sy...