The Anatomy of the Respiratory System

The Anatomy of the Respiratory System

The respiratory system consists of the airways, lungs, bony thorax, and respiratory muscles and functions in conjunction with the central nervous system (CNS). These structures work together to deliver oxygen to the bloodstream and remove excess carbon dioxide from the body. More »


Category Archives: ECG Problems

Complete (Third-Degree) Heart Block Cheat Sheet

(Complete heart block, in which no supraventricular impulses are conducted to the ventricles).   Heart block is an abnormal heart rhythm where the heart beats too slowly (bradycardia ). In this condition, the electrical signals that tell the heart to

Normal Sinus Rhythms (Assessment notes)

When assessing Normal Sinus Rhythms Remember the following values.   Rate…………. Between 60–100 Rhythm…….. Regular P waves…….. Present P-R…………….  Normal QRS …………..  Normal (0.08–0.12 sec) Basic ECG Assessment Follow these steps for basic electrocardiogram interpretation. Determine ventricular rate. Determine QRS

Quick ECG Interpretation (Assessment Notes)

For quick ECG Interpretation Result look to the following Normal values. Normal Rate 60–100 bpm Normal P-R 0.12–0.20 sec Normal QRS 0.08–0.12 sec P wave atrial depolarization; QRS ventricular depolarization; T wave ventricular repolarization Basic ECG Assessment Follow these steps

How to find out Normal Heart Beat By ECG

Heart rate The faster the heart rate, the less time the heart has for filling, and the cardiac output decreases. An increase in heart rate increases oxygen consumption. The normal sinus heart rate is 60 to 100 beats/min. Sinus tachycardia

ECG Problem # 7

This ECG was recorded in the A & E department from a 55-year-old man who had had chest pain at rest for 6 h. There were no abnormal physical findings, and his plasma troponin level was normal. What does the