10 results
Left Main Coronary Artery Occlusion on ECG

- aVR ST segment elevation > 1 mm 
- aVR
Occlusion on ECG ... - aVR ST segment ... elevation > 1 mm - aVR ... #ECG #EKG #Diagnosis ... #Criteria
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... main coronary artery ... • Classic EKG ... #AVR #leadAVR #ecg ... #ekg #differential
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... can suggest the diagnosis ... abutting the pleura, air-bronchograms ... #Clinical #Radiology ... #CXR #CTChest #
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... at (or 40-60 ms after ... ST elevation in aVR ... #Equivalents #ECG ... #EKG #diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Blood cultures • CXR ... lat decubitus - air ... seen • Chest CT ... • Vasculitis (e.g
Imaging Modalities for Renal Calculus

AXR. KUB
 - Good far calcium-containing stones useful when limited radiation dose
Renal Calculus AXR ... is desirable, e.g ... Non-contrast CT ... stones #calculus #Radiology ... #Diagnosis
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
depression in aVR ... depression in aVR ... • Epicardial artery ... #cardiology #ecg ... #ekg #electrocardiogram
Cardiac Tamponade - Guidelines for Crises in Anaesthesia
Caused by an accumulation of blood, pus, effusion fluid
effusion fluid or air ... iatrogenic causes, e.g ... pericardiocentesis kit (eg ... examination and vital signs ... Cardiac #Tamponade #Anesthesiology
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Nasal polyps and signs ... thickening, presence of air-fluid ... in the adjacent lung ... • Pulmonary artery ... high-resolution chest CT
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... SpO2 88% on room air ... a chest x-ray (CXR ... #Radiology #CTChest ... #Lung #Pulmonary