Question

Please interpert the EKG and fill the blank as needed

uu i thu 2 aVR V1 V4 ПИЛ u aVL V2 V5 u 111 aVF V3 V6 th hhh 11 16. 37 year old man with pleuritic chest pain

there is no more information just answer the question based on the EKG reading

Answer 1

Ans.

An EKG is a paper or digital recording of the electrical signals in the heart. It is also called an electrocardiogram or an ECG. The EKG is used to determine heart rate, heart rhythm and other information regarding the heart's condition.

Sinus rhythm (a.k.a. normal sinus rhythm) refers to the normal heart beat originating from the sinoatrial node. ... Sinus bradycardia occurs when the heart rate is less than 60 beats per minute and sinus tachycardia when the heart rates is greater than 100 beats per minute in the setting of a sinus P wave on the ECG.

A normal ECG is illustrated above. Note that the heart is beating in a regular sinus rhythm between 60 - 100 beats per minute (specifically 82 bpm). All the important intervals on this recording are within normal ranges.

Heart rate can be easily calculated from the ECG strip: When the rhythm is regular, the heart rate is 300 divided by the number of large squares between the QRS complexes. For example, if there are 4 large squares between regular QRS complexes, the heart rate is 75 (300/4=75).

Intervals. An interval in an ECG is a duration of time that includes one segment and one or more waves. The PR (or PQ) interval starts at the start of the P wave and ends at the start of the QRS. It denotes the conduction of the impulse from the upper part of the atrium to the ventricle.

2 )

UTILIZATION OF A SIMPLE HISTORY AND EKG-BASED ALGORITHM TO IMPROVE DIAGNOSTIC ACCURACY OF ST ELEVATIONS FOR ACUTE EPICARDIAL OCCLUSION -

False-positive cardiac catheterization laboratory (cath lab) activations for suspected ST-elevation myocardial infarction (STEMI) are not infrequent. Algorithms have been attempted to help improve accuracy of STEMI activations by emergency departments (ED). We compared the accuracy of ED STEMI activation to a simple 4-step electrocardiographic (EKG) algorithm.

Methods

We studied 382 consecutive STEMI activations from 2007-2011 from a single tertiary care teaching hospital. History and EKGs were blindly reviewed by board-certified cardiologists. Using a 4-step algorithm (Figure), cases were deemed appropriate versus inappropriate cath lab activations. Accuracy of ED activations versus the algorithm was determined. Sensitivity, specificity, positive (PPV) and negative predictive values (NPV) were also calculated.

Results

STEMI activation of the cath lab by the ED had an overall accuracy of 47% for detection of infarct-related artery (IRA) compared to the 4-step algorithm that had an accuracy of 91% with a sensitivity of 96%, and a specificity of 85%. PPV and NPV of the algorithm were 85% and 96%, respectively. The algorithm misclassified 6 true STEMIs that were activated by the ED (IRA: left anterior descending=4, left circumflex= 1, right coronary artery=1).

3 )

Treatment options. Treatment response to an abnormal EKG typically depends on the underlying cause. For example, some people have a very slow heartbeat where the heart doesn't conduct electrical signals in the correct order. This person may require a pacemaker, which helps restore the heart to a more normal rhythm.