12 results
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
Flutter on EKG ... up, slow down; "negative ... • V1: Broad & negative ... #cardiology #clinical ... #diagnosis #comparison
Isthmus Independent Atrial Flutter
 • Rapid atrial activity without typical inferior sawtooth waves suggests CTI-independent flutter
Negative F ... #Flutter #aflutter ... #ecg #ekg #electrocardiogram ... #cardiology #clinical ... #diagnosis
Typical (Counterclockwise) Atrial Flutter on EKG
 • Inferior leads: Sawtooth waves (fast up, slow down; "negative")
Counterclockwise) Atrial ... Flutter on EKG ... up, slow down; "negative ... #cardiology #clinical ... #diagnosis
Reverse Typical (Clockwise) Atrial Flutter on EKG
 • Inferior leads: "Positive" waves often notched (usually not
Typical (Clockwise) Atrial ... Flutter on EKG ... • V1: Broad & negative ... #cardiology #clinical ... #diagnosis
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... (e.g. ectopic atrial ... Flutter PR Interval ... @AmyChung #EKG ... #diagnosis #system
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
QRS in 6s x 10 Rhythm ... : WPW, ectopic atrial ... Short QT <300-360 ms ... #EKG #diagnosis ... electrocardiogram #cardiology
Septal Hypertrophic Cardiomyopathy (HOCM)

52yo worsening exertional sx and murmur. EKG nonspecific, Serial trops (-) 
EM resident
EKG nonspecific, ... elevated LVEDP ==> MRI ... Metoprolol - VCU Ultrasound ... Cardiomyopathy #HOCM #HCM #clinical ... #pocus
Anterior Akinesia on POCUS Echocardiogram

Wide complex rhythm seen on monitor. Pulses present. While getting 12 lead
Wide complex rhythm ... getting 12 lead ECG ... Diagnosis? ... Echocardiogram #ultrasound ... #Cardiology #clinical
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
mortality in inferior MI ... with irregular rhythms ... 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
overload, irregular rhythm ... indicated • EKG ... Obtain EKG if: ... Change in clinical ... stratification #diagnosis