10 results
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
without contrast material ... without contrast material ... #PatientInfo #Radiology ... Imaging #ChestXRay #CXR ... #CT #Nuclear #Comparison
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Computed Tomography (CT ... Ultrasound #Contrast #CT ... #MRI #POCUS #radiology ... #differential #diagnosis ... #comparison #table
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... (e.g. ectopic atrial ... V1 (Invert III normal ... Electrocardiogram #cardiology ... #diagnosis #system
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
PR interval are normal ... Wandering Atrial ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg ... variants #clinical #comparison
Appearance of Liver Lesions on Computed Tomography (CT) - Arterial Phase, Portal Venous Phase and Delayed
Computed Tomography (CT ... ) - Arterial Phase ... , Portal Venous ... #radiology #differential ... #diagnosis #comparison
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
dextrocardia, normal ... : WPW, ectopic atrial ... Short QT <300-360 ms ... #EKG #diagnosis ... electrocardiogram #cardiology
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
Multifocal Atrial ... waves will have normal ... #tachycardia #cardiology ... #diagnosis #ekg ... electrocardiogram #clinical #comparison
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
PR interval are normal ... Wandering Atrial ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg ... variants #clinical #comparison
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
have a low or normal ... correlate in the SHOCK trial ... Ahmed Ghoneem, MD MSc ... artery #catheter #diagnosis ... #cardiology #swanganz
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
neuroexam - Oral ... indicated • EKG ... Obtain EKG if: ... one post op Cardiology ... stratification #diagnosis