13 results
Estimated Medical Radiation Doses for 5 Year-Old Child

3-view ankle	0.0015 mSv	1/14th CXRs
2-view chest	0.02 mSv	1 CXRs
Anteroposterior and lateral
for 5 Year-Old ... Anteroposterior and ... #PatientInfo #Radiology ... #Imaging #ChestXRay ... #CT #Nuclear #Comparison
Wellens' Syndrome on ECG

A 66-year-old man with hypertension and hyperlipidemia presents after an episode of severe
A 66-year-old ... with hypertension and ... episode of severe chest ... #EKG #Electrocardiogram ... #Clinical #Cardiology
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
Radiation Dose to ... #PatientInfo #Radiology ... Background #Radiation #Doses ... #Imaging #ChestXRay ... #CT #Nuclear #Comparison
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
in paediatric radiology ... Estimated dose - ... #PatientInfo #Radiology ... #Imaging #ChestXRay ... #CT #Nuclear #Comparison
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
increases (II, Ill ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram ... variants #clinical #comparison
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
V-pacemaker, ↑K, ICD ... Short QT <300-360 ms ... #Approach #ECG ... #electrocardiogram ... #cardiology #interpretation
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
's female with chest ... See thread for POCUS ... Pulmonary #Embolism #ECG ... #EKG #Electrocardiogram ... #clinical #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... segment at (or 40-60 ms ... #Equivalents #ECG ... #differential #cardiology ... #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
increases (II, Ill ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram ... variants #clinical #comparison
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
specific questions to ask ... indicated • EKG ... Obtain EKG if: ... one post op Cardiology ... change CV risk Chest