10 results
Lobar atelectasis or lobar collaps is an important finding on a chest x-ray and has a
or lobar collaps ... limited differential diagnosis ... #Diagnosis #Radiology ... #CXR #Lobar #Collapse ... #Patterns #Comparison
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... T Waves: • Normal ... V1 (Invert III normal ... Electrocardiogram #cardiology ... #diagnosis #system
There is a right lower lobe atelectasis.
Notice the abnormal right border of the heart.
The right interlobar
lung but by the collapsed ... adjacent to the right atrium ... arrow) and the normal ... #Clinical #Radiology ... #CXR #RLL #Lobar
Right lower lobe atelectasis
Chest x-rays of a 70-year old male who fell from the stairs and
Notice the abnormal ... adjacent to the right atrium ... #Clinical #Radiology ... #CXR #Lateral # ... RLL #Lobar #Collapse
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
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