11 results
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
4 Variants of Sinus ... change in P wave contour ... cardiology #diagnosis #ekg ... #ecg #electrocardiogram ... #variants #clinical
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
4 Variants of Sinus ... change in P wave contour ... cardiology #diagnosis #ekg ... #ecg #electrocardiogram ... #variants #clinical
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
200ms from longer pause ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
cardiac syncope, e.g ... responses or carotid sinus ... syncope (ruling out differential ... and an initial ECG ... should be guided by clinical
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Pulmonary Embolism on ECG ... Triage EKG (no prior ... Differential/diagnosis ... Pulmonary #Embolism #ECG ... #EKG #Electrocardiogram
Hypoglycemia - Differential Diagnosis Algorithm
Fasting Hypoglycemia:
 • Excess Insulin
 • Medications (e.g. Insulin Secretagogues, ß-Adrenergic Antagonists,
• Medications (e.g ... • Alimentary (e.g ... (e.g. ... Hyperinsulinemic States (e.g ... Diagnosis #Algorithm #endocrinology
Hyperglycemia - Differential Diagnosis Algorithm
Diabetes Mellitus:
 • Impaired Glucose Tolerance
 • Type I Diabetes
 • Type
Hyperglycemia - Differential ... agonists • Others Critical ... Hyperglycemia (e.g ... Diagnosis #Algorithm #endocrinology ... #causes
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
risk factors (eg ... hypertension (eg ... 109 mm Hg) with clinical ... hypertension (eg ... Vasculitis • Endocrinologic
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Elevation - Differential ... bundle-branch block; and sinus ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Cushing's Syndrome - Hypercortisolism - Diagnosis and Clinical Features
1) Skin
 • Thin, easily bruisable skin with
Diagnosis and Clinical ... exposed tothe sun (e.g ... gluconeogenesis enzymes (e.g ... inferior petrosal sinus ... signs #symptoms #endocrinology