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Total 833 results found since Jan 2013.
Is the blood pressure same on both arms? Cardiology Basics
Guidelines on hypertension by medical societies generally recommend measurement of blood pressure in both arms in the initial visit. They also suggest that the arm with higher blood pressure recording should be used to record blood pressure in subsequent visits. It is often mentioned that there is a small difference in the blood pressure between the arms and usually it is the right arm blood pressure which is higher.
The origin of brachiocephalic artery is in line with the ascending aorta. It is presumed that the force of ejection of the left ventricle is conveyed more to the right subclavian artery for this reason.
When ...
Source: Cardiophile MD - October 6, 2022 Category: Cardiology Authors: Johnson Francis Tags: General Cardiology Source Type: blogs
What is a silent myocardial infarction? Cardiology Basics
Silent myocardial infarction is one in which the person does not know that myocardial infarction has occurred. This can be because chest pain was not felt or was only mild. It can also be missed if the person was under sedation or under general anaesthesia when it occurred. In earlier community studies like the Framingham Heart Study, in which ECG was recorded every two years, it was shown that up to one fourth of the previous myocardial infarctions detected on ECG were silent.
Silent myocardial infarctions are more likely in those with diabetes mellitus. Long standing diabetes affects the nerves of the heart so that...
Source: Cardiophile MD - October 6, 2022 Category: Cardiology Authors: Johnson Francis Tags: General Cardiology Source Type: blogs
How to know if chest pain is due to heart disease or not? Cardiology Basics
It is not always possible to be certain about the origin of chest pain just by its characteristics as the variation between individuals is quite a bit. There can be a lot of overlap between symptoms due to heart disease and disease of other nearby organs.
Still some general observations are possible regarding chest pain originating from the heart. The typical pain of cardiac origin is a central chest pain which occurs on walking or other forms of exercise, known as effort angina. This pain is caused by insufficient blood supply to a region of the myocardium. Effort angina is commonly due to significant obstruction to a co...
Source: Cardiophile MD - October 4, 2022 Category: Cardiology Authors: Johnson Francis Tags: General Cardiology Source Type: blogs
What are the signs of blood clots in the leg? Cardiology Basics
Signs of blood clots in the leg depend on whether the clot is in the artery or the vein. When the artery is blocked, it produces pain, pallor, coldness of the leg, loss of sensation and paralysis. If the occlusion of the artery persists for a long period, the limb will become black with death of cells, called as gangrene.
This occurs when the block occurs abruptly. In a gradually progressing obstruction, one first notes pain in the legs on walking (claudication). This pain subsides with rest and recurs on walking. Distance at which pain starts is an important indication of the severity of obstruction. More severe obstruct...
Source: Cardiophile MD - October 4, 2022 Category: Cardiology Authors: Johnson Francis Tags: Cardiology Basics Source Type: blogs
Are all of these ST-T findings due to LVH?
CONCLUSION: Contrast a final time the appearance of ST-T waves consistent with LV " strain " in the anterior and lateral chest leads of ECG #2 — with the lack of such changes in the chest leads of ECG #1 (in which ST-T wave changes were attenuated by the opposing effect of the ongoing acute infero-postero OMI).
Source: Dr. Smith's ECG Blog - September 30, 2022 Category: Cardiology Authors: Steve Smith Source Type: blogs
What is Wellens ’ syndrome?
What is Wellens’ syndrome?
The original description of Wellens’ syndrome dates back to 1982 in which they identified a subgroup of patients admitted with unstable angina who are at high risk of development of an extensive anterior wall myocardial infarction. These patients with critical stenosis high in the left anterior descending coronary artery, had characteristic ST-T segment changes in the precordial leads on or shortly after admission. They noted this finding in 26 of their 145 patients admitted because of unstable angina. In spite of symptom control with nitroglycerine and beta blockade, 12 of the 16 pat...
Source: Cardiophile MD - September 26, 2022 Category: Cardiology Authors: Johnson Francis Tags: General Cardiology Source Type: blogs
A 50 year old with chest pain? What is going on? By Emre Aslanger.
Posted by Emre Aslanger, our newest blog Editor. Emre is a distinguished cardiologist in Turkey, and has published widely on the ECG in OMI and other areas.Emre Aslanger Google Scholar ProfileA 50-year-old male with a 20 years ’ history of diabetes mellitus treated with metformin only presents with chest pain that started 20 minutes ago. The pain radiates to left inner arm and is now about to resolve. His admission ECG is given below.What do you think?You can click on it to make it larger, but let ' s make it a bit easier to see here:What do you think?(you can still click on it to make it larger)Although the wa...
Source: Dr. Smith's ECG Blog - September 25, 2022 Category: Cardiology Authors: Emre Aslanger Source Type: blogs
Weekly Overseas Health IT Links –24th September, 2022.
This article makes the case and explains what will be required to make it happen.We hear a lot about “digital health” these days. As data about our health piles up — thanks to sources like electronic health records, personal fitness apps and gadgets, and home genome test kits — weshould understand a lot more than we used to about what ’s wrong with our health and what to do about it. But having a lot of data is not enough. We have to be aware of what we have, understand what it means, and act on that understanding. While the challenges are in some ways more acute in the United States because of its fragmented sys...
Source: Australian Health Information Technology - September 24, 2022 Category: Information Technology Authors: Dr David G More MB PhD Source Type: blogs
Spontaneous coronary artery dissection (SCAD)
Spontaneous coronary artery dissection (SCAD) is an important, though rare cause of acute coronary syndrome. Management of SCAD is different from that of acute coronary syndrome due to atherosclerosis [1]. High index of suspicion is required for the diagnosis of SCAD in young patients with acute coronary syndrome. Unlike atherosclerotic coronary artery disease, management of SCAD is mostly medical, in stable patients. Revascularization is considered only in high risk patients with left main dissection, ongoing ischemia, severely limited flow, hemodynamic compromise or refractory cardiac arrhythmia [2].
It has been mentio...
Source: Cardiophile MD - September 23, 2022 Category: Cardiology Authors: Johnson Francis Tags: General Cardiology Source Type: blogs
A man in his 50s with acute chest pain without STEMI criteria. Trop negative. Cath lab cancelled. But how about the ECG and echo?
Case submitted by Matt Tanzi MD, written by Pendell MeyersA man in his early 50s presented with substernal chest pain and that started 1 hour prior to arrival. There was some radiation to the left jaw and diaphoresis. He had ongoing pain on arrival.Initial triage ECG:What do you think?I sent this to Dr. Smith who immediately replied that it is diagnostic of OMI, but difficult to tell whether it is1) anterolateral with de Winter morphology, or instead2) A combination of Aslanger ' s pattern (inferior OMI with single lead STE in III and reciprocal STD in I, aVL, plus widespread STD of subendocardial ischemia) with ...
Source: Dr. Smith's ECG Blog - September 22, 2022 Category: Cardiology Authors: Pendell Source Type: blogs
The Macro View – Health, Economics, and Politics and the Big Picture. What I Am Watching Here And Abroad.
September 15, 2022 Edition-----The death of QE2 has rather dominated the news for the last week or so and will probably pass after the funeral today.Otherwise the war in Ukraine seems to be in a turning phase. I hope that continues into the eventual getting rid of the Russians from Ukrainian territory!In OZ life goes on much as usual just awaiting the mourning period to pass,-----Major Issues.-----https://www.afr.com/policy/foreign-affairs/what-australia-should-do-about-taiwan-20220904-p5bf7iWhat Australia should do about TaiwanCanberra cannot be silent if US policy on Taiwanese independence changes. Quiet diplomacy is cal...
Source: Australian Health Information Technology - September 15, 2022 Category: Information Technology Authors: Dr David G More MB PhD Source Type: blogs
Chest pain, peak troponin 100,000 ng/L and this ECG on discharge: what ’s the diagnosis?
Written by Jesse McLaren, with edits by Smith Usually cases are presented in chronological order the way they appear in real life. But this case will be represented in reverse chronological order. At each step we ’ll ask the question, “what’s the diagnosis?” using the STEMI paradigm (was this STEMI or NSTEMI?) and OMI paradigm (was this Occlusion MI or Non-Occlusion MI?). Discharge A 60 year old without prior cardiac history was admitted with chest pain, had a peak troponin of 100,000 ng/L (normal<16 in female and<26 in males), and was discharged with the following ECG (#4). What ’s the...
Source: Dr. Smith's ECG Blog - September 13, 2022 Category: Cardiology Authors: Jesse McLaren Source Type: blogs
A man in his 60s with chest pain and LBBB
Sent by Ali Khan MD, written by Pendell MeyersA man in his 60s with HTN, HLD, known prior LBBB, presented with episodes of chest pain radiating to the left shoulder, with diaphoresis and dyspnea. Episodes started yesterday after starting to exercise, came and went throughout the day, and he decided to present to the ED the next morning after the one of these episodes failed to resolve like the others.Here is his ECG at triage with ongoing pain (prior unavailable):Same image optimized by PM Cardio appWhat do you think?I sent this to Drs. Smith, McLaren, and Grauer all of whom immediately diagnosed LAD occlusion based ...
Source: Dr. Smith's ECG Blog - September 11, 2022 Category: Cardiology Authors: Pendell Source Type: blogs
Weekly Overseas Health IT Links –10th September, 2022.
This article is adapted fromVoices in the Code: A Story About People, Their Values, and the Algorithm They Made,out Sept. 8 from Russell Sage Foundation Press.In May 2021, I got a call I never expected. I was working on abook about A.I. ethics, focused on the algorithm that gives out kidneys to transplant patients in the United States. Darren Stewart —a data scientist from UNOS, the nonprofit that runs the kidney allocation process—was calling to get my take: How many decimal places should they include when calculating each patient’s allocation score? The score is an incredibly important number, given it determines w...
Source: Australian Health Information Technology - September 10, 2022 Category: Information Technology Authors: Dr David G More MB PhD Source Type: blogs
Weekly Overseas Health IT Links –27th August 2022.
In this study, researchers gathered a diverse group of participants; 43 percent were Black, and 68 percent were women. They also considered factors such as age and insurance status when drawing conclusions.The study occurred through a clinical trial, where all participants were randomly assigned to have their next visit occur through either phone or video-based platforms. The central unit of measurement was visit satisfaction rate, reported on a ten-point scale. Researchers noted noninferiority data based on whether patient satisfaction between the telehealth methods exceeded a -15 percent margin.-----https://www.theverge....
Source: Australian Health Information Technology - August 27, 2022 Category: Information Technology Authors: Dr David G More MB PhD Source Type: blogs
