10 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
(EKG) Digoxin ... - Decreases AV ... flutter (rate control ... ) - Heart failure ... #EKG #Cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... artery (LMCA). left anterior ... in-hospital. heart failure ... #electrocardiogram ... #differential #cardiology
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... Changes • STE in aVR ... #EKG #Pulmonary ... AcutePE #diagnosis #cardiology ... #electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... Flutter PR Interval ... @AmyChung #EKG ... #Electrocardiogram ... #cardiology #diagnosis
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
See thread for POCUS ... inversions V1-V4 plus inferior ... leads (II, III, AVF ... #EKG #Electrocardiogram ... #clinical #cardiology
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
0.9 predicts RV failure ... in-hospital mortality in inferior ... 1.85 predicts RV failure ... correlate in the SHOCK trial ... catheter #diagnosis #cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
flutter, or atrial ... fibrillation/flutter ... Pheochromocytoma • Pulmonary ... : SVT-AVNRT or AVRT ... #Palpitations #Cardiology
Constrictive Pericarditis on Echocardiogram
A 55-year-old female marathon runner presents to clinic w/ 6-months of worsening breathlessness
ASA, Kussmaul's sign ... workup right-heart failure ... Echocardiogram #a4c ... #pocus #clinical ... #cardiology
RV Failure secondary to Pulmonary Arterial Hypertension on Echocardiogram
Pulmonary arterial hypertension resulting in severe RV dilation
to Pulmonary Arterial ... 100% reliable sign ... #Pulmonary #Arterial ... Echocardiogram #clinical #cardiology ... #s4c #pocus
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
STE: "Pardee's sign ... depression in aVR ... QRS complex Pulmonary ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram