32 results
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
evaluating for other causes ... of cardio-pulmonary ... common finding) • Atrial ... also a result of atrial ... AcutePE #diagnosis #cardiology
Junctional Rhythms - Junctional rhythm describes an abnormal heart rhythm resulting from impulses coming from a
coming from a locus ... junction" between atria ... #Cardiology #MedStudent ... #EKG #Junctional
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Digoxin is a cardiac ... nodal conduction Uses ... : - Atrial fibrillation ... and atrial flutter ... #Cardiology #Digitalis
The cardiac cycle describes each heart beat, incorporating relaxation and contraction. Phase one describes diastole and
The cardiac cycle ... and then to its peak ... the aortic valve closes ... second, smaller peak ... #Pathophys #Cardiology
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
life-threatening causes ... Pulmonary embolism • Cardiac ... Initial workup: • EKG ... , PT. aPTT • Serial ... Well score for PE
Pericardial Tamponade
Beck's Triad 
1. Hypotension 
2. Jugular venous distension 
3. Muffled heart sounds 
Patient will be
Tamponade Beck's Triad ... chest pain - PE ... paradoxus - ECG ... #Pericardial #Cardiac ... #Diagnosis #Cardiology
Wolff–Parkinson–White syndrome (WPW) is one of several disorders of the electrical system of the heart that
WPW is caused by ... pathway between the atria ... Pathophysiology #Diagnosis #Cardiology ... #MedStudent #EKG
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate (e.g ... Treat underlying cause ... Treat underlying cause ... Treatment #management #cardiology ... #algorithm
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
Cardiac Stress Testing ... production to cause ... arrythmias Diagnostics: EKG ... Nuclear SPECT ($$$), PET ... Stress #Testing #cardiology
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
Differential Diagnosis Algorithm ... pressure >10mmHg: • Cardiac ... Abnormalities #Disorders #Cardiology ... Differential #Diagnosis #Algorithm ... #causes