13 results
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... other causes of cardio-pulmonary ... in relation to ECG ... Changes • STE in aVR ... #EKG #Pulmonary
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... leads with STE in avR ... inversion - STE avR ... #Ischemia #ECG ... #EKG #diagnosis
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
on ECG • Conventional ... ST elevation in aVR ... V2 • Wellens sign ... #Equivalents #ECG ... #EKG #diagnosis
Intraoperative Circulatory Embolus - Guidelines for Crises in Anaesthesia
Causes: thrombus, fat, amniotic fluid, air/gas.
Signs: hypotension, tachycardia,
amniotic fluid, air ... Signs: hypotension ... Consider thrombolysis e.g ... Discontinue source of air ... attempt to aspirate air
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
is unconscious, signs ... trolley and 12-lead ECG ... CM5 continuous ECG ... Obtain a 12-lead ECG ... #Management #Workup
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 ... Anesthesiology #Anesthesia
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
depression in aVR ... depression in aVR ... QRS complex Pulmonary ... #cardiology #ecg ... #ekg #electrocardiogram
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
of more of the signs ... arrest, start CPR ... alternate vasopressor (e.g ... Intraoperative #Checklist #Diagnosis ... #Management #Workup
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Blood cultures • CXR ... early disease) • CXR ... lat decubitus - air ... • Vasculitis (e.g ... Lung #Abscess #pulmonary
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
complications from anesthesia ... indicated • EKG ... Obtain EKG if: ... medical and surgical management ... stratification #diagnosis