142 results
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Differential Diagnosis Algorithm ... Wide-Complex - Polymorphic ... : • Polymorphic ... #Causes #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... Wide Complex - Irregular ... interval) • Polymorphic ... Differential #Diagnosis #Algorithm ... #causes
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
give adenosine Irregular ... nodal agents (e.g ... consultation • If polymorphic ... narrow-complex irregular ... management #cardiology #algorithm
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Algorithm History ... life-threatening causes ... : • EKG • Bedside ... Pain #Diagnosis #Algorithm ... #workup
Proposed Algorithm for Diagnosing Sarcoidosis
Highly suggestive Clinicoradiological Findings → Clinical diagnosis (without biopsy) e.g. Löfgren's syndrome
Suggestive
Proposed Algorithm ... without biopsy) e.g ... and/or cytology (e.g ... of alternative causes ... #diagnosis #Workup
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
repolarization causes ... in conduction causes ... QRS widens, and irregular ... #Hyperkalemia #EKG ... #ECG #Changes #
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... node Narrow - Irregular ... 200ms from longer pause ... bradyarrhythmia #ECG ... #EKG #diagnosis
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate (e.g ... Treat underlying cause ... Irregular Rhythm ... Control rate (e.g ... management #cardiology #algorithm
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Causes of Splenomegaly ... Differential Diagnosis Algorithm ... • Thrombus (e.g ... Myeloproliferative disorders (eg ... Differential #Diagnosis #Algorithm
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
Algorithm for the ... Evaluation of Regular ... Interpretation #ECG ... #EKG #Electrocardiogram