25 results
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
• ↑ Ca - short QT ... QT via long ST ... #diagnosis #cardiology ... #electrocardiogram ... #differential
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... DANGER - Short QT ... QT: "antis and ... #EKG #diagnosis ... #electrocardiogram
Causes of Sudden Cardiac Arrest
Primary Myocardial Processes (> 90%):
 • Acquired structural heart disease: CAD, Most
Causes of Sudden ... /short QT syndromes ... QT syndrome: Drugs ... Arrest #cardiology #differential ... #diagnosis #causes
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... Diagnosis Primary ... (most common: lung ... #Diagnosis #causes ... #primarycare #table
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
repolarization causes ... prolonged PR and QT ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes ... #Progression #Table
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Hyponatremia - Differential ... Diagnosis by Mechanism ... carcinoma of the lung ... #Diagnosis #Table ... #Causes #Sodium
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Lung Nodule - Differential ... Diagnosis Algorithm ... • Rheumatoid Arthritis ... #Nodule #Differential ... #Causes #Pulmonary
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... AV block 1º - long ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Atraumatic Collapsed Athlete - Suggested Algorithm for Collapsed Athlete

In this review, the authors review that the
the most common causes ... anomalous coronary arteries ... myocarditis, Marfan’s, Long ... QT syndrome, WPW ... #Diagnosis #SportsMedicine
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... listed in the table ... vascular diseases (e.g ... with rheumatoid arthritis ... #Diagnosis #Radiology