Medical Data Interpretation

Heart Rhythm The heart rhythm can be regular or irregular. Irregular rhythms can be either:      Regularly irregular (i.e. a recurrent pattern of irregularity)      Irregularly irregular (i.e. completely disorganised) Mark out several consecutive R-R intervals on a piece of paper, then move them along the rhythm strip to check if the subsequent intervals are the same. Hint – if you are suspicious that there is some atrioventricular block, map out the atrial rate and the ventricular rhythm separately (i.e. mark the P waves and R waves). As you move along the rhythm strip, you can then see if the PR interval changes, if QRS complexes are missing or if there is complete dissociation between the two.  

How to calculate rate in an ECG The heart rate can be calculated by dividing 300 by the number of large squares between each R wave (with machine trace running at the standard speed of 25 mm/sec and deflection of 1 cm/10 mV). • 3 large squares between R waves = rate 100    • 5 large squares = rate 60     Normal rate is 60–100 beats per minute (bpm). • Rate <60 = bradycardia    • Rate >100 = tachycardia   

Grading Volume of a Heart Murmurs: The experienced examiner should be able to give the murmur a grade according to its loudness:    Grade 1 – very faint murmur which is only audible during prolonged auscultation Grade 2 – a faint murmur, immediately audible with a stethoscope Grade 3 – loud murmur with NO thrill Grade 4 – loud murmur WITH a thrill Grade 5 – loud murmur WITH a thrill, heard with only half of the stethoscope touching the chest Grade 6 – loud murmur WITH a thrill, heard WITHOUT the stethoscope touching the chest Top tip: Never describe a murmur as grade 1 or 2 in OSCE examinations as it is commonly accepted that only expert cardiologists can detect these murmurs! The grading system can be made easier by remembering that grade 4 and above requires the presence of a thrill.

Hi again! This is my another android application which is designed for android mobiles only. This app is designed for doctors and medical students who work in ERs and Face heart emergency situations or for the doctors who take ACLS course and prepared themselves for the exam. American Heart Association, as one of the most reputable international bodies, encourages all doctors to employ algorithms that could help millions of people world over. In this app, we collect those algorithms in an application that every single doctor should have them in their pocket to use in the time of need because life is why. We cover some topic like “Acute Coronary Syndrome”, Bradycardia and Tachycardia with pulse and etc. You can download it HERE from Google Play

Defibrillation will not be helpful to patients with one of these rhythms. Cardiopulmonary resuscitation should be administered and attempts made to reverse the cause of cardiac arrest. Pulseless electrical activity (PEA) (also known as electromechanical dissociation or EMD) The heart rhythm is indistinguishable from a heart rhythm normally compatible with life. Asystole There is no identifiable cardiac electrical activity. It is important to adjust the gain on the ECG monitor to ensure that ‘fine’ ventricular fibrillation is not missed.

If one of these rhythms is identified, the priority in treatment is to deliver electricity to the heart using a defibrillator. Ventricular fibrillation (VF) This is identified by the erratic nature of the electrical activity. It is random and unpredictable. It is sometimes classified as being fine or coarse depending on whether the electrical activity is of small (fine) or large (coarse) amplitude. Ventricular tachycardia (VT) This is a broad QRS complex tachycardia that has a very distinctive appearance on an ECG monitor. It is not always associated with cardiac arrest but is always a significant arrhythmia.

When a patient has a cardiac arrest, the heart stops pumping blood around the body. The electrical activity in the heart does not always stop immediately, however, and the immediate advanced management of patients with cardiac arrest is largely determined by exactly what is happening to the heart rhythm. It is imperative that you are able to identify each of the following rhythms.

When interpreting an ECG, always use the following headings: Heart rate Heart rhythm Cardiac axis P waves QRS complexes ST segment Q–T interval T waves

Hi, I am back again. Today I finished my third app after a hard work. I call it "Easy Emergencies".  In this app, I covered the most common topics that a practitioner face in his clinic or in an ER. Subjects like Anaphylaxis, Animal bites, MI, Coma, Diabetic Ketoacidosis and etc. I designed it in a way that you can jump to a topic that you want. For example, if you need to know to manage full partial burnings, just click on the button of management and ignore the rest of the data to save your patient time. Here are some screenshots: You can Download it HERE or scan the barcode below: Cheers Max

   Hey everyone,    This is another application that I developed the other day. with this app, you can easily read and interpret an ECG in the clinic or at a party 😅(You know people, when they know that you are a doctor, they remind their pains and problems!!). Also with this app, you can review the most important aspect of ECG in a fast way. All doctors, medical students and nurses can download and use it.    Here are some screenshots:    You can download it from Google Play or click Here .      Or you can use your Barcode Scanner: Cheers