24 results
Atrial Fibrillation - Diagnosis, Causes, Presentations
Causes (PIRATES):
 - Pulmonary embolism 
 - Ischemia (cardiac) 
 -
Atrial Fibrillation ... - Diagnosis, Causes ... - Ischemia (cardiac ... #Fibrillation #AFib ... PIRATES #Emergency #Cardiology
Causes of Atrial Fibrillation

Heart disease 
 - Aging heart 
 - Cardiomyopathies 
 - Congestive heart
Causes of Atrial ... determinants - Abnormalities ... in cardiac structure ... #Fibrillation #AFib ... #Cardiology #Pathophysiology
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Differential Diagnosis Algorithm ... • Migraine Cardiac ... • AFib/AFlutter ... Syndrome #Syncope #Cardiology ... #causes
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
Pulse Abnormalities ... Differential Diagnosis Algorithm ... pressure >10mmHg: • Cardiac ... #Disorders #Cardiology ... #causes
Arrhythmias - Differential Diagnosis Algorithm
May present as: palpitations, dizziness, syncope, chest discomfort
Cardiac Causes:
 - Structural
Differential Diagnosis Algorithm ... chest discomfort Cardiac ... Electrical Conduction Abnormalities ... previous MI) Non-Cardiac ... #Arrhythmias #Cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
abberancy - N B Afib ... (3) SVTs - atrial ... 200ms from longer pause ... EKG #diagnosis #electrocardiogram ... #cardiology #differential
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Digoxin effect on Electrocardiogram ... Digoxin is a cardiac ... nodal conduction Uses ... and atrial flutter ... #EKG #Cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... interval) • AFib ... tachyarrhythmias #Cardiology ... Differential #Diagnosis #Algorithm ... #causes
The cardiac cycle describes each heart beat, incorporating relaxation and contraction. Phase one describes diastole and
The cardiac cycle ... see above that atrial ... the aortic valve closes ... #Pathophys #Cardiology ... Pressures #Phonogram #Electrocardiogram
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 ... Arrhythmia* (e.g., A-Fib ... AcutePE #diagnosis #cardiology ... #electrocardiogram