18 results
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
• ↑ Ca - short QT ... • ↓ Ca - long QT ... Syncope #Syndromes #ECG ... #EKG #Checklist ... #diagnosis #cardiology
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
prolonged PR and QT ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes ... #Progression #Table
QTc Prolongation - Medications and Conditions that Prolong QT: From "A to N"
A - Anti-A-rrhythmics
B -
Conditions that Prolong QT ... Geriatrics H - Heart pathophysiology ... #differential # ... diagnosis #table ... #QT #mnemonic
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Malignancy (e.g ... CNS pathology (e.g ... hemorrhage) - Pulmonary ... pathology (e.g. ... #Diagnosis #Table
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Edema - Differential ... Diagnosis Framework ... NCPE Pathophysiology ... level <100 pg/ml EKG ... #diagnosis #cardiology
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
stagnant hypoxia (e.g ... carrying capacity (e.g ... #differential # ... diagnosis #causes ... #pathophysiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
and a prolonged QT ... QRS complex Pulmonary ... waves - Short QT ... waves • Short QT ... #ecg #ekg #electrocardiogram
Safe Living After Transplant - Water Safety
Abrasions:
• If incurred during swimming in ocean or fresh water,
/animal waste (e.g ... Standing Water (e.g ... water #safety #InfectiousDiseases ... #PatientInfo #differential ... #diagnosis
Pulmonary Arterial Catheterization – Use and Interpretation:
-Pulmonary arterial catheterization (PAC) has never been shown to improve
However, when the diagnosis ... cardiogenic shock (eg ... #Diagnosis #PACatheter ... #NormalValues #Differential ... #Table #Chambers
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
arrhythmia syndromes (e.g ... ., long QT syndrome ... 300 = NSVT EKG ... Diagnosis: • PAC ... #differential #