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diagnosis management cardiology neurology algorithm causes clinical echocardiogram pericardial treatment alternans checklist electrical electrocardiogram table a4c hyperkalemia malignant pulmonary syndrome
Torsades de Pointes • "Twisting of the pointes" • QRS axis swings from positive to negative direction
Originates from single focus ... that prolong the QT ... Diagnosis #Cardiology #ECG ... #EKG
Approach to ECGs - Syncope Syndromes Electrolytes • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... • ↑ Ca - short QT ... Syncope #Syndromes #ECG ... #EKG #Checklist ... electrocardiogram #differential
Lead AVR on ECG 1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... aVR • Classic EKG ... widened QRS and QTc ... #AVR #leadAVR #ecg ... electrocardiogram #diagnosis #ekg
Electrical Alternans on POCUS Echocardiogram You dissect the EKG and note low voltage tachycardia with a hint
Electrical Alternans on POCUS ... You dissect the EKG ... POCUS ECHO performed ... Electrical #Alternans #POCUS ... Echocardiogram #clinical #effusion
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 Common causes of Acute Kidney Injury AKI - Differential Diagnosis HEMODYNAMIC • Cardiac failure: Impaired forward flow,
Kidney Injury AKI - Differential ... vasoconstriction (e.g ... disease or drugs e.g ... AIN) • Drugs (e.g ... #Diagnosis #nephrology
Approach to ECGs - Tachy/Bradyarrhythmias Tachyarrhythmias - HR > 100 Wide (1) VT - DANGER (2)
Approach to ECGs ... :1 , 3:2, 4:3, etc ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology #differential
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework IATROGENIC DISEASE Secondary to invasive cardiac procedures NONIATROGENIC • Malignancy (e.g., metastatic spread:
Hemorrhagic Pericardial Effusions ... Hemopericardium)- Differential ... • Malignancy (e.g ... #Pericardial #Effusion ... Hemopericardium #Differential
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia. - At
prolonged PR and QT ... sine wave (QRS-T fusion ... #Hyperkalemia #EKG ... #ECG #Changes #
Polyuria - Differential Diagnosis Algorithm Polyuria = >3L Urine output / 24 hours Urine osmolality = 2 (Na
Polyuria - Differential ... osmolality > 300 mosm/kg ... solute intake (e.g ... Polydipsia #Polyuria #Differential ... Diagnosis #Algorithm #nephrology
Hypoxemic Respiratory Failure - Differential Diagnosis Framework DECREASED INSPIRED OXYGEN • Low PATM Can decrease first part
Respiratory Failure - Differential ... High altitude (eg ... Intrapulmonary shunting (eg ... intracardiac shunting (eg ... Failure #hypoxia #Differential
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